Home / 42,007,877.92-57,981,657.60-27,360,045.28

Finding the Fourth Proportional to 42,007,877.92, 57,981,657.60 and 27,360,045.28

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Solution

The fourth proportional to 42,007,877.92, 57,981,657.60 and 27,360,045.28 is: 37,763,887.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,007,877.92 : 57,981,657.60 = 27,360,045.28 : x
  2. Step 2: Convert to fraction form
    42,007,877.92/57,981,657.60 = 27,360,045.28/x
  3. Step 3: Cross multiply
    42,007,877.92x = 57,981,657.60 × 27,360,045.28
  4. Step 4: Simplify right side
    42,007,877.92x = 1,586,380,777,345,456.25
  5. Step 5: Solve for x
    x = 1,586,380,777,345,456.25/42,007,877.92
  6. Step 6: Final answer
    x = 37,763,887.53

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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.