Home / 156,022,364.20-234,061,539.90-65,155,138.60

Finding the Fourth Proportional to 156,022,364.20, 234,061,539.90 and 65,155,138.60

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Solution

The fourth proportional to 156,022,364.20, 234,061,539.90 and 65,155,138.60 is: 97,744,398.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,022,364.20 : 234,061,539.90 = 65,155,138.60 : x
  2. Step 2: Convert to fraction form
    156,022,364.20/234,061,539.90 = 65,155,138.60/x
  3. Step 3: Cross multiply
    156,022,364.20x = 234,061,539.90 × 65,155,138.60
  4. Step 4: Simplify right side
    156,022,364.20x = 15,250,312,073,113,930
  5. Step 5: Solve for x
    x = 15,250,312,073,113,930/156,022,364.20
  6. Step 6: Final answer
    x = 97,744,398.06

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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.