Home / 132,860,429.10-199,290,643.65-81,204,363.90

Finding the Fourth Proportional to 132,860,429.10, 199,290,643.65 and 81,204,363.90

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Solution

The fourth proportional to 132,860,429.10, 199,290,643.65 and 81,204,363.90 is: 121,806,545.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,860,429.10 : 199,290,643.65 = 81,204,363.90 : x
  2. Step 2: Convert to fraction form
    132,860,429.10/199,290,643.65 = 81,204,363.90/x
  3. Step 3: Cross multiply
    132,860,429.10x = 199,290,643.65 × 81,204,363.90
  4. Step 4: Simplify right side
    132,860,429.10x = 16,183,269,948,819,826
  5. Step 5: Solve for x
    x = 16,183,269,948,819,826/132,860,429.10
  6. Step 6: Final answer
    x = 121,806,545.85

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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.