Home / 81,070,954.27-121,581,280.61-29,248,819.84

Finding the Fourth Proportional to 81,070,954.27, 121,581,280.61 and 29,248,819.84

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Solution

The fourth proportional to 81,070,954.27, 121,581,280.61 and 29,248,819.84 is: 43,864,155.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,070,954.27 : 121,581,280.61 = 29,248,819.84 : x
  2. Step 2: Convert to fraction form
    81,070,954.27/121,581,280.61 = 29,248,819.84/x
  3. Step 3: Cross multiply
    81,070,954.27x = 121,581,280.61 × 29,248,819.84
  4. Step 4: Simplify right side
    81,070,954.27x = 3,556,108,971,724,225
  5. Step 5: Solve for x
    x = 3,556,108,971,724,225/81,070,954.27
  6. Step 6: Final answer
    x = 43,864,155.83

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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.