Home / 106,561,970.40-159,744,978-38,387,989.92

Finding the Fourth Proportional to 106,561,970.40, 159,744,978 and 38,387,989.92

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Solution

The fourth proportional to 106,561,970.40, 159,744,978 and 38,387,989.92 is: 57,546,689.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,561,970.40 : 159,744,978 = 38,387,989.92 : x
  2. Step 2: Convert to fraction form
    106,561,970.40/159,744,978 = 38,387,989.92/x
  3. Step 3: Cross multiply
    106,561,970.40x = 159,744,978 × 38,387,989.92
  4. Step 4: Simplify right side
    106,561,970.40x = 6,132,288,605,234,622
  5. Step 5: Solve for x
    x = 6,132,288,605,234,622/106,561,970.40
  6. Step 6: Final answer
    x = 57,546,689.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.