Home / 132,854,517.20-199,281,775.80-72,388,341.20

Finding the Fourth Proportional to 132,854,517.20, 199,281,775.80 and 72,388,341.20

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Solution

The fourth proportional to 132,854,517.20, 199,281,775.80 and 72,388,341.20 is: 108,582,511.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,854,517.20 : 199,281,775.80 = 72,388,341.20 : x
  2. Step 2: Convert to fraction form
    132,854,517.20/199,281,775.80 = 72,388,341.20/x
  3. Step 3: Cross multiply
    132,854,517.20x = 199,281,775.80 × 72,388,341.20
  4. Step 4: Simplify right side
    132,854,517.20x = 14,425,677,181,552,304
  5. Step 5: Solve for x
    x = 14,425,677,181,552,304/132,854,517.20
  6. Step 6: Final answer
    x = 108,582,511.80

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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.