Home / 129,344,989.60-193,734,049.20-114,984,272.80

Finding the Fourth Proportional to 129,344,989.60, 193,734,049.20 and 114,984,272.80

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Solution

The fourth proportional to 129,344,989.60, 193,734,049.20 and 114,984,272.80 is: 172,224,442.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,344,989.60 : 193,734,049.20 = 114,984,272.80 : x
  2. Step 2: Convert to fraction form
    129,344,989.60/193,734,049.20 = 114,984,272.80/x
  3. Step 3: Cross multiply
    129,344,989.60x = 193,734,049.20 × 114,984,272.80
  4. Step 4: Simplify right side
    129,344,989.60x = 22,276,368,763,861,420
  5. Step 5: Solve for x
    x = 22,276,368,763,861,420/129,344,989.60
  6. Step 6: Final answer
    x = 172,224,442.81

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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.