Home / 454,348,910.30-681,523,365.45-147,672,023.90

Finding the Fourth Proportional to 454,348,910.30, 681,523,365.45 and 147,672,023.90

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Solution

The fourth proportional to 454,348,910.30, 681,523,365.45 and 147,672,023.90 is: 221,508,035.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,348,910.30 : 681,523,365.45 = 147,672,023.90 : x
  2. Step 2: Convert to fraction form
    454,348,910.30/681,523,365.45 = 147,672,023.90/x
  3. Step 3: Cross multiply
    454,348,910.30x = 681,523,365.45 × 147,672,023.90
  4. Step 4: Simplify right side
    454,348,910.30x = 100,641,934,711,140,848
  5. Step 5: Solve for x
    x = 100,641,934,711,140,848/454,348,910.30
  6. Step 6: Final answer
    x = 221,508,035.85

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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.