Home / 126,633,481.92-174,863,268.05-79,668,836.69

Finding the Fourth Proportional to 126,633,481.92, 174,863,268.05 and 79,668,836.69

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Solution

The fourth proportional to 126,633,481.92, 174,863,268.05 and 79,668,836.69 is: 110,011,609.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,633,481.92 : 174,863,268.05 = 79,668,836.69 : x
  2. Step 2: Convert to fraction form
    126,633,481.92/174,863,268.05 = 79,668,836.69/x
  3. Step 3: Cross multiply
    126,633,481.92x = 174,863,268.05 × 79,668,836.69
  4. Step 4: Simplify right side
    126,633,481.92x = 13,931,153,144,082,484
  5. Step 5: Solve for x
    x = 13,931,153,144,082,484/126,633,481.92
  6. Step 6: Final answer
    x = 110,011,609.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.