Home / 178,331,205.80-267,496,808.70-157,286,142.20

Finding the Fourth Proportional to 178,331,205.80, 267,496,808.70 and 157,286,142.20

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Solution

The fourth proportional to 178,331,205.80, 267,496,808.70 and 157,286,142.20 is: 235,929,213.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,331,205.80 : 267,496,808.70 = 157,286,142.20 : x
  2. Step 2: Convert to fraction form
    178,331,205.80/267,496,808.70 = 157,286,142.20/x
  3. Step 3: Cross multiply
    178,331,205.80x = 267,496,808.70 × 157,286,142.20
  4. Step 4: Simplify right side
    178,331,205.80x = 42,073,541,091,234,392
  5. Step 5: Solve for x
    x = 42,073,541,091,234,392/178,331,205.80
  6. Step 6: Final answer
    x = 235,929,213.30

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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.