Home / 67,131,229,008.19-92,641,472,316.49-38,195,418,215.71

Finding the Fourth Proportional to 67,131,229,008.19, 92,641,472,316.49 and 38,195,418,215.71

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Solution

The fourth proportional to 67,131,229,008.19, 92,641,472,316.49 and 38,195,418,215.71 is: 52,709,891,231.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,131,229,008.19 : 92,641,472,316.49 = 38,195,418,215.71 : x
  2. Step 2: Convert to fraction form
    67,131,229,008.19/92,641,472,316.49 = 38,195,418,215.71/x
  3. Step 3: Cross multiply
    67,131,229,008.19x = 92,641,472,316.49 × 38,195,418,215.71
  4. Step 4: Simplify right side
    67,131,229,008.19x = 3,538,479,779,247,455,993,856
  5. Step 5: Solve for x
    x = 3,538,479,779,247,455,993,856/67,131,229,008.19
  6. Step 6: Final answer
    x = 52,709,891,231.33

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Half scale
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Double scale
Find fourth proportional to 67,131,229,009.19, 92,641,472,317.87 and 38,195,418,216.71
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.