Home / 156,690,411.03-234,729,141.57-129,063,988.89

Finding the Fourth Proportional to 156,690,411.03, 234,729,141.57 and 129,063,988.89

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Solution

The fourth proportional to 156,690,411.03, 234,729,141.57 and 129,063,988.89 is: 193,343,543.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,690,411.03 : 234,729,141.57 = 129,063,988.89 : x
  2. Step 2: Convert to fraction form
    156,690,411.03/234,729,141.57 = 129,063,988.89/x
  3. Step 3: Cross multiply
    156,690,411.03x = 234,729,141.57 × 129,063,988.89
  4. Step 4: Simplify right side
    156,690,411.03x = 30,295,079,319,749,716
  5. Step 5: Solve for x
    x = 30,295,079,319,749,716/156,690,411.03
  6. Step 6: Final answer
    x = 193,343,543.62

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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.