Home / 99,731,909.80-149,597,864.70-67,399,301.80

Finding the Fourth Proportional to 99,731,909.80, 149,597,864.70 and 67,399,301.80

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Solution

The fourth proportional to 99,731,909.80, 149,597,864.70 and 67,399,301.80 is: 101,098,952.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,731,909.80 : 149,597,864.70 = 67,399,301.80 : x
  2. Step 2: Convert to fraction form
    99,731,909.80/149,597,864.70 = 67,399,301.80/x
  3. Step 3: Cross multiply
    99,731,909.80x = 149,597,864.70 × 67,399,301.80
  4. Step 4: Simplify right side
    99,731,909.80x = 10,082,791,631,550,866
  5. Step 5: Solve for x
    x = 10,082,791,631,550,866/99,731,909.80
  6. Step 6: Final answer
    x = 101,098,952.70

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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.