Home / 115,862,332.70-159,890,083.72-63,654,731.40

Finding the Fourth Proportional to 115,862,332.70, 159,890,083.72 and 63,654,731.40

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Solution

The fourth proportional to 115,862,332.70, 159,890,083.72 and 63,654,731.40 is: 87,843,564.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,862,332.70 : 159,890,083.72 = 63,654,731.40 : x
  2. Step 2: Convert to fraction form
    115,862,332.70/159,890,083.72 = 63,654,731.40/x
  3. Step 3: Cross multiply
    115,862,332.70x = 159,890,083.72 × 63,654,731.40
  4. Step 4: Simplify right side
    115,862,332.70x = 10,177,760,332,720,112
  5. Step 5: Solve for x
    x = 10,177,760,332,720,112/115,862,332.70
  6. Step 6: Final answer
    x = 87,843,564.82

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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.