Home / 156,687,221.70-235,068,157.35-75,841,704.90

Finding the Fourth Proportional to 156,687,221.70, 235,068,157.35 and 75,841,704.90

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Solution

The fourth proportional to 156,687,221.70, 235,068,157.35 and 75,841,704.90 is: 113,780,623.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,687,221.70 : 235,068,157.35 = 75,841,704.90 : x
  2. Step 2: Convert to fraction form
    156,687,221.70/235,068,157.35 = 75,841,704.90/x
  3. Step 3: Cross multiply
    156,687,221.70x = 235,068,157.35 × 75,841,704.90
  4. Step 4: Simplify right side
    156,687,221.70x = 17,827,969,821,125,466
  5. Step 5: Solve for x
    x = 17,827,969,821,125,466/156,687,221.70
  6. Step 6: Final answer
    x = 113,780,623.77

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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.