Home / 156,687,221.20-235,068,156.60-75,841,704.40

Finding the Fourth Proportional to 156,687,221.20, 235,068,156.60 and 75,841,704.40

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Solution

The fourth proportional to 156,687,221.20, 235,068,156.60 and 75,841,704.40 is: 113,780,623.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,687,221.20 : 235,068,156.60 = 75,841,704.40 : x
  2. Step 2: Convert to fraction form
    156,687,221.20/235,068,156.60 = 75,841,704.40/x
  3. Step 3: Cross multiply
    156,687,221.20x = 235,068,156.60 × 75,841,704.40
  4. Step 4: Simplify right side
    156,687,221.20x = 17,827,969,646,710,110
  5. Step 5: Solve for x
    x = 17,827,969,646,710,110/156,687,221.20
  6. Step 6: Final answer
    x = 113,780,623.02

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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.