Home / 153,251,366.28-229,948,793.96-66,978,562.95

Finding the Fourth Proportional to 153,251,366.28, 229,948,793.96 and 66,978,562.95

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Solution

The fourth proportional to 153,251,366.28, 229,948,793.96 and 66,978,562.95 is: 100,499,200.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,251,366.28 : 229,948,793.96 = 66,978,562.95 : x
  2. Step 2: Convert to fraction form
    153,251,366.28/229,948,793.96 = 66,978,562.95/x
  3. Step 3: Cross multiply
    153,251,366.28x = 229,948,793.96 × 66,978,562.95
  4. Step 4: Simplify right side
    153,251,366.28x = 15,401,639,771,191,548
  5. Step 5: Solve for x
    x = 15,401,639,771,191,548/153,251,366.28
  6. Step 6: Final answer
    x = 100,499,200.40

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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.