Home / 52,023,892.20-78,012,218.70-19,665,040.20

Finding the Fourth Proportional to 52,023,892.20, 78,012,218.70 and 19,665,040.20

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Solution

The fourth proportional to 52,023,892.20, 78,012,218.70 and 19,665,040.20 is: 29,488,632.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,023,892.20 : 78,012,218.70 = 19,665,040.20 : x
  2. Step 2: Convert to fraction form
    52,023,892.20/78,012,218.70 = 19,665,040.20/x
  3. Step 3: Cross multiply
    52,023,892.20x = 78,012,218.70 × 19,665,040.20
  4. Step 4: Simplify right side
    52,023,892.20x = 1,534,113,416,826,691.75
  5. Step 5: Solve for x
    x = 1,534,113,416,826,691.75/52,023,892.20
  6. Step 6: Final answer
    x = 29,488,632.09

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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.