Home / 99,765,061.30-149,647,591.95-65,724,843.70

Finding the Fourth Proportional to 99,765,061.30, 149,647,591.95 and 65,724,843.70

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Solution

The fourth proportional to 99,765,061.30, 149,647,591.95 and 65,724,843.70 is: 98,587,265.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,765,061.30 : 149,647,591.95 = 65,724,843.70 : x
  2. Step 2: Convert to fraction form
    99,765,061.30/149,647,591.95 = 65,724,843.70/x
  3. Step 3: Cross multiply
    99,765,061.30x = 149,647,591.95 × 65,724,843.70
  4. Step 4: Simplify right side
    99,765,061.30x = 9,835,564,590,995,128
  5. Step 5: Solve for x
    x = 9,835,564,590,995,128/99,765,061.30
  6. Step 6: Final answer
    x = 98,587,265.55

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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.