Home / 56,850,726.42-78,454,237.23-30,745,243.71

Finding the Fourth Proportional to 56,850,726.42, 78,454,237.23 and 30,745,243.71

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Solution

The fourth proportional to 56,850,726.42, 78,454,237.23 and 30,745,243.71 is: 42,428,563.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,850,726.42 : 78,454,237.23 = 30,745,243.71 : x
  2. Step 2: Convert to fraction form
    56,850,726.42/78,454,237.23 = 30,745,243.71/x
  3. Step 3: Cross multiply
    56,850,726.42x = 78,454,237.23 × 30,745,243.71
  4. Step 4: Simplify right side
    56,850,726.42x = 2,412,094,643,718,505.50
  5. Step 5: Solve for x
    x = 2,412,094,643,718,505.50/56,850,726.42
  6. Step 6: Final answer
    x = 42,428,563.29

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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.