Home / 132,854,516.20-199,281,774.30-72,388,340.20

Finding the Fourth Proportional to 132,854,516.20, 199,281,774.30 and 72,388,340.20

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Solution

The fourth proportional to 132,854,516.20, 199,281,774.30 and 72,388,340.20 is: 108,582,510.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,854,516.20 : 199,281,774.30 = 72,388,340.20 : x
  2. Step 2: Convert to fraction form
    132,854,516.20/199,281,774.30 = 72,388,340.20/x
  3. Step 3: Cross multiply
    132,854,516.20x = 199,281,774.30 × 72,388,340.20
  4. Step 4: Simplify right side
    132,854,516.20x = 14,425,676,873,688,018
  5. Step 5: Solve for x
    x = 14,425,676,873,688,018/132,854,516.20
  6. Step 6: Final answer
    x = 108,582,510.30

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Similar ratio
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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.