Home / 134,755,832.73-185,963,609.64-72,876,171.30

Finding the Fourth Proportional to 134,755,832.73, 185,963,609.64 and 72,876,171.30

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Solution

The fourth proportional to 134,755,832.73, 185,963,609.64 and 72,876,171.30 is: 100,569,419.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,755,832.73 : 185,963,609.64 = 72,876,171.30 : x
  2. Step 2: Convert to fraction form
    134,755,832.73/185,963,609.64 = 72,876,171.30/x
  3. Step 3: Cross multiply
    134,755,832.73x = 185,963,609.64 × 72,876,171.30
  4. Step 4: Simplify right side
    134,755,832.73x = 13,552,315,871,690,970
  5. Step 5: Solve for x
    x = 13,552,315,871,690,970/134,755,832.73
  6. Step 6: Final answer
    x = 100,569,419.50

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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.