Home / 126,225,609.80-189,338,414.70-39,970,767.20

Finding the Fourth Proportional to 126,225,609.80, 189,338,414.70 and 39,970,767.20

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Solution

The fourth proportional to 126,225,609.80, 189,338,414.70 and 39,970,767.20 is: 59,956,150.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,225,609.80 : 189,338,414.70 = 39,970,767.20 : x
  2. Step 2: Convert to fraction form
    126,225,609.80/189,338,414.70 = 39,970,767.20/x
  3. Step 3: Cross multiply
    126,225,609.80x = 189,338,414.70 × 39,970,767.20
  4. Step 4: Simplify right side
    126,225,609.80x = 7,568,001,695,990,758
  5. Step 5: Solve for x
    x = 7,568,001,695,990,758/126,225,609.80
  6. Step 6: Final answer
    x = 59,956,150.80

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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.