Home / 84,172,819.60-126,189,245.40-35,687,904.40

Finding the Fourth Proportional to 84,172,819.60, 126,189,245.40 and 35,687,904.40

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Solution

The fourth proportional to 84,172,819.60, 126,189,245.40 and 35,687,904.40 is: 53,502,184.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,172,819.60 : 126,189,245.40 = 35,687,904.40 : x
  2. Step 2: Convert to fraction form
    84,172,819.60/126,189,245.40 = 35,687,904.40/x
  3. Step 3: Cross multiply
    84,172,819.60x = 126,189,245.40 × 35,687,904.40
  4. Step 4: Simplify right side
    84,172,819.60x = 4,503,429,726,143,340
  5. Step 5: Solve for x
    x = 4,503,429,726,143,340/84,172,819.60
  6. Step 6: Final answer
    x = 53,502,184.52

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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.