Home / 67,131,229,007.57-92,641,472,315.63-38,195,418,215.09

Finding the Fourth Proportional to 67,131,229,007.57, 92,641,472,315.63 and 38,195,418,215.09

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Solution

The fourth proportional to 67,131,229,007.57, 92,641,472,315.63 and 38,195,418,215.09 is: 52,709,891,230.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,131,229,007.57 : 92,641,472,315.63 = 38,195,418,215.09 : x
  2. Step 2: Convert to fraction form
    67,131,229,007.57/92,641,472,315.63 = 38,195,418,215.09/x
  3. Step 3: Cross multiply
    67,131,229,007.57x = 92,641,472,315.63 × 38,195,418,215.09
  4. Step 4: Simplify right side
    67,131,229,007.57x = 3,538,479,779,156,706,983,936
  5. Step 5: Solve for x
    x = 3,538,479,779,156,706,983,936/67,131,229,007.57
  6. Step 6: Final answer
    x = 52,709,891,230.47

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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.