Home / 71,916,909.40-107,879,215.07-22,729,020.85

Finding the Fourth Proportional to 71,916,909.40, 107,879,215.07 and 22,729,020.85

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Solution

The fourth proportional to 71,916,909.40, 107,879,215.07 and 22,729,020.85 is: 34,094,748.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,916,909.40 : 107,879,215.07 = 22,729,020.85 : x
  2. Step 2: Convert to fraction form
    71,916,909.40/107,879,215.07 = 22,729,020.85/x
  3. Step 3: Cross multiply
    71,916,909.40x = 107,879,215.07 × 22,729,020.85
  4. Step 4: Simplify right side
    71,916,909.40x = 2,451,988,928,607,664
  5. Step 5: Solve for x
    x = 2,451,988,928,607,664/71,916,909.40
  6. Step 6: Final answer
    x = 34,094,748.36

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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.