Home / 56,832,337.91-78,428,641.94-31,371,772.64

Finding the Fourth Proportional to 56,832,337.91, 78,428,641.94 and 31,371,772.64

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Solution

The fourth proportional to 56,832,337.91, 78,428,641.94 and 31,371,772.64 is: 43,293,054.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,832,337.91 : 78,428,641.94 = 31,371,772.64 : x
  2. Step 2: Convert to fraction form
    56,832,337.91/78,428,641.94 = 31,371,772.64/x
  3. Step 3: Cross multiply
    56,832,337.91x = 78,428,641.94 × 31,371,772.64
  4. Step 4: Simplify right side
    56,832,337.91x = 2,460,445,523,635,993
  5. Step 5: Solve for x
    x = 2,460,445,523,635,993/56,832,337.91
  6. Step 6: Final answer
    x = 43,293,054.87

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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.