Home / 125,207,998.20-187,811,997.30-88,928,292.60

Finding the Fourth Proportional to 125,207,998.20, 187,811,997.30 and 88,928,292.60

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Solution

The fourth proportional to 125,207,998.20, 187,811,997.30 and 88,928,292.60 is: 133,392,438.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,207,998.20 : 187,811,997.30 = 88,928,292.60 : x
  2. Step 2: Convert to fraction form
    125,207,998.20/187,811,997.30 = 88,928,292.60/x
  3. Step 3: Cross multiply
    125,207,998.20x = 187,811,997.30 × 88,928,292.60
  4. Step 4: Simplify right side
    125,207,998.20x = 16,701,800,249,684,810
  5. Step 5: Solve for x
    x = 16,701,800,249,684,810/125,207,998.20
  6. Step 6: Final answer
    x = 133,392,438.90

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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.