Home / 116,972,685.07-161,433,134.62-64,761,721.25

Finding the Fourth Proportional to 116,972,685.07, 161,433,134.62 and 64,761,721.25

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Solution

The fourth proportional to 116,972,685.07, 161,433,134.62 and 64,761,721.25 is: 89,377,170.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,972,685.07 : 161,433,134.62 = 64,761,721.25 : x
  2. Step 2: Convert to fraction form
    116,972,685.07/161,433,134.62 = 64,761,721.25/x
  3. Step 3: Cross multiply
    116,972,685.07x = 161,433,134.62 × 64,761,721.25
  4. Step 4: Simplify right side
    116,972,685.07x = 10,454,687,664,774,164
  5. Step 5: Solve for x
    x = 10,454,687,664,774,164/116,972,685.07
  6. Step 6: Final answer
    x = 89,377,170.91

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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.