Home / 81,656,200.80-122,484,301.20-36,217,995.30

Finding the Fourth Proportional to 81,656,200.80, 122,484,301.20 and 36,217,995.30

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Solution

The fourth proportional to 81,656,200.80, 122,484,301.20 and 36,217,995.30 is: 54,326,992.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,656,200.80 : 122,484,301.20 = 36,217,995.30 : x
  2. Step 2: Convert to fraction form
    81,656,200.80/122,484,301.20 = 36,217,995.30/x
  3. Step 3: Cross multiply
    81,656,200.80x = 122,484,301.20 × 36,217,995.30
  4. Step 4: Simplify right side
    81,656,200.80x = 4,436,135,845,185,384
  5. Step 5: Solve for x
    x = 4,436,135,845,185,384/81,656,200.80
  6. Step 6: Final answer
    x = 54,326,992.95

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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.