Home / 252,451,227.60-378,676,841.40-79,941,542.40

Finding the Fourth Proportional to 252,451,227.60, 378,676,841.40 and 79,941,542.40

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Solution

The fourth proportional to 252,451,227.60, 378,676,841.40 and 79,941,542.40 is: 119,912,313.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,451,227.60 : 378,676,841.40 = 79,941,542.40 : x
  2. Step 2: Convert to fraction form
    252,451,227.60/378,676,841.40 = 79,941,542.40/x
  3. Step 3: Cross multiply
    252,451,227.60x = 378,676,841.40 × 79,941,542.40
  4. Step 4: Simplify right side
    252,451,227.60x = 30,272,010,772,676,176
  5. Step 5: Solve for x
    x = 30,272,010,772,676,176/252,451,227.60
  6. Step 6: Final answer
    x = 119,912,313.60

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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.