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Finding the Fourth Proportional to 178,059,687.60, 267,089,531.40 and 160,486,705.20

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Solution

The fourth proportional to 178,059,687.60, 267,089,531.40 and 160,486,705.20 is: 240,730,057.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,059,687.60 : 267,089,531.40 = 160,486,705.20 : x
  2. Step 2: Convert to fraction form
    178,059,687.60/267,089,531.40 = 160,486,705.20/x
  3. Step 3: Cross multiply
    178,059,687.60x = 267,089,531.40 × 160,486,705.20
  4. Step 4: Simplify right side
    178,059,687.60x = 42,864,318,887,797,944
  5. Step 5: Solve for x
    x = 42,864,318,887,797,944/178,059,687.60
  6. Step 6: Final answer
    x = 240,730,057.80

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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.