Home / 129,344,729.60-193,733,659.20-114,984,012.80

Finding the Fourth Proportional to 129,344,729.60, 193,733,659.20 and 114,984,012.80

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Solution

The fourth proportional to 129,344,729.60, 193,733,659.20 and 114,984,012.80 is: 172,224,052.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,344,729.60 : 193,733,659.20 = 114,984,012.80 : x
  2. Step 2: Convert to fraction form
    129,344,729.60/193,733,659.20 = 114,984,012.80/x
  3. Step 3: Cross multiply
    129,344,729.60x = 193,733,659.20 × 114,984,012.80
  4. Step 4: Simplify right side
    129,344,729.60x = 22,276,273,549,243,636
  5. Step 5: Solve for x
    x = 22,276,273,549,243,636/129,344,729.60
  6. Step 6: Final answer
    x = 172,224,052.87

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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.