Home / 45,204,617.60-67,844,251.20-20,980,822.40

Finding the Fourth Proportional to 45,204,617.60, 67,844,251.20 and 20,980,822.40

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Solution

The fourth proportional to 45,204,617.60, 67,844,251.20 and 20,980,822.40 is: 31,488,557.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,204,617.60 : 67,844,251.20 = 20,980,822.40 : x
  2. Step 2: Convert to fraction form
    45,204,617.60/67,844,251.20 = 20,980,822.40/x
  3. Step 3: Cross multiply
    45,204,617.60x = 67,844,251.20 × 20,980,822.40
  4. Step 4: Simplify right side
    45,204,617.60x = 1,423,428,185,288,186.75
  5. Step 5: Solve for x
    x = 1,423,428,185,288,186.75/45,204,617.60
  6. Step 6: Final answer
    x = 31,488,557.16

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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.