Home / 123,787,044.20-170,829,966.29-68,031,452.97

Finding the Fourth Proportional to 123,787,044.20, 170,829,966.29 and 68,031,452.97

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Solution

The fourth proportional to 123,787,044.20, 170,829,966.29 and 68,031,452.97 is: 93,885,518.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,787,044.20 : 170,829,966.29 = 68,031,452.97 : x
  2. Step 2: Convert to fraction form
    123,787,044.20/170,829,966.29 = 68,031,452.97/x
  3. Step 3: Cross multiply
    123,787,044.20x = 170,829,966.29 × 68,031,452.97
  4. Step 4: Simplify right side
    123,787,044.20x = 11,621,810,817,524,820
  5. Step 5: Solve for x
    x = 11,621,810,817,524,820/123,787,044.20
  6. Step 6: Final answer
    x = 93,885,518.41

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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.