Home / 108,779,819.10-162,791,815.05-99,709,892.70

Finding the Fourth Proportional to 108,779,819.10, 162,791,815.05 and 99,709,892.70

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Solution

The fourth proportional to 108,779,819.10, 162,791,815.05 and 99,709,892.70 is: 149,218,435.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,779,819.10 : 162,791,815.05 = 99,709,892.70 : x
  2. Step 2: Convert to fraction form
    108,779,819.10/162,791,815.05 = 99,709,892.70/x
  3. Step 3: Cross multiply
    108,779,819.10x = 162,791,815.05 × 99,709,892.70
  4. Step 4: Simplify right side
    108,779,819.10x = 16,231,954,411,073,746
  5. Step 5: Solve for x
    x = 16,231,954,411,073,746/108,779,819.10
  6. Step 6: Final answer
    x = 149,218,435.42

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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.