Home / 52,023,643.20-78,011,845.20-19,664,791.20

Finding the Fourth Proportional to 52,023,643.20, 78,011,845.20 and 19,664,791.20

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Solution

The fourth proportional to 52,023,643.20, 78,011,845.20 and 19,664,791.20 is: 29,488,258.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,023,643.20 : 78,011,845.20 = 19,664,791.20 : x
  2. Step 2: Convert to fraction form
    52,023,643.20/78,011,845.20 = 19,664,791.20/x
  3. Step 3: Cross multiply
    52,023,643.20x = 78,011,845.20 × 19,664,791.20
  4. Step 4: Simplify right side
    52,023,643.20x = 1,534,086,646,984,722.25
  5. Step 5: Solve for x
    x = 1,534,086,646,984,722.25/52,023,643.20
  6. Step 6: Final answer
    x = 29,488,258.66

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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.