Home / 115,862,331.71-159,890,082.34-63,654,730.39

Finding the Fourth Proportional to 115,862,331.71, 159,890,082.34 and 63,654,730.39

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Solution

The fourth proportional to 115,862,331.71, 159,890,082.34 and 63,654,730.39 is: 87,843,563.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,862,331.71 : 159,890,082.34 = 63,654,730.39 : x
  2. Step 2: Convert to fraction form
    115,862,331.71/159,890,082.34 = 63,654,730.39/x
  3. Step 3: Cross multiply
    115,862,331.71x = 159,890,082.34 × 63,654,730.39
  4. Step 4: Simplify right side
    115,862,331.71x = 10,177,760,083,387,600
  5. Step 5: Solve for x
    x = 10,177,760,083,387,600/115,862,331.71
  6. Step 6: Final answer
    x = 87,843,563.42

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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.