Home / 87,620,423.50-131,402,683.74-30,098,824.30

Finding the Fourth Proportional to 87,620,423.50, 131,402,683.74 and 30,098,824.30

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Solution

The fourth proportional to 87,620,423.50, 131,402,683.74 and 30,098,824.30 is: 45,138,634.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,620,423.50 : 131,402,683.74 = 30,098,824.30 : x
  2. Step 2: Convert to fraction form
    87,620,423.50/131,402,683.74 = 30,098,824.30/x
  3. Step 3: Cross multiply
    87,620,423.50x = 131,402,683.74 × 30,098,824.30
  4. Step 4: Simplify right side
    87,620,423.50x = 3,955,066,290,438,727
  5. Step 5: Solve for x
    x = 3,955,066,290,438,727/87,620,423.50
  6. Step 6: Final answer
    x = 45,138,634.72

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1.5x scale

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.