Home / 99,002,200.60-148,727,249.70-68,769,112.60

Finding the Fourth Proportional to 99,002,200.60, 148,727,249.70 and 68,769,112.60

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Solution

The fourth proportional to 99,002,200.60, 148,727,249.70 and 68,769,112.60 is: 103,309,228.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,002,200.60 : 148,727,249.70 = 68,769,112.60 : x
  2. Step 2: Convert to fraction form
    99,002,200.60/148,727,249.70 = 68,769,112.60/x
  3. Step 3: Cross multiply
    99,002,200.60x = 148,727,249.70 × 68,769,112.60
  4. Step 4: Simplify right side
    99,002,200.60x = 10,227,840,981,307,614
  5. Step 5: Solve for x
    x = 10,227,840,981,307,614/99,002,200.60
  6. Step 6: Final answer
    x = 103,309,228.68

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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.