Home / 102,668,397.75-141,682,388.90-61,417,028.79

Finding the Fourth Proportional to 102,668,397.75, 141,682,388.90 and 61,417,028.79

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Solution

The fourth proportional to 102,668,397.75, 141,682,388.90 and 61,417,028.79 is: 84,755,499.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,668,397.75 : 141,682,388.90 = 61,417,028.79 : x
  2. Step 2: Convert to fraction form
    102,668,397.75/141,682,388.90 = 61,417,028.79/x
  3. Step 3: Cross multiply
    102,668,397.75x = 141,682,388.90 × 61,417,028.79
  4. Step 4: Simplify right side
    102,668,397.75x = 8,701,711,357,800,192
  5. Step 5: Solve for x
    x = 8,701,711,357,800,192/102,668,397.75
  6. Step 6: Final answer
    x = 84,755,499.73

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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.