Home / 123,594,330.22-170,701,732.11-81,396,523.68

Finding the Fourth Proportional to 123,594,330.22, 170,701,732.11 and 81,396,523.68

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Solution

The fourth proportional to 123,594,330.22, 170,701,732.11 and 81,396,523.68 is: 112,420,428.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,594,330.22 : 170,701,732.11 = 81,396,523.68 : x
  2. Step 2: Convert to fraction form
    123,594,330.22/170,701,732.11 = 81,396,523.68/x
  3. Step 3: Cross multiply
    123,594,330.22x = 170,701,732.11 × 81,396,523.68
  4. Step 4: Simplify right side
    123,594,330.22x = 13,894,527,580,213,870
  5. Step 5: Solve for x
    x = 13,894,527,580,213,870/123,594,330.22
  6. Step 6: Final answer
    x = 112,420,428.64

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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.