Home / 123,787,044.71-170,829,966.99-68,031,453.47

Finding the Fourth Proportional to 123,787,044.71, 170,829,966.99 and 68,031,453.47

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Solution

The fourth proportional to 123,787,044.71, 170,829,966.99 and 68,031,453.47 is: 93,885,519.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,787,044.71 : 170,829,966.99 = 68,031,453.47 : x
  2. Step 2: Convert to fraction form
    123,787,044.71/170,829,966.99 = 68,031,453.47/x
  3. Step 3: Cross multiply
    123,787,044.71x = 170,829,966.99 × 68,031,453.47
  4. Step 4: Simplify right side
    123,787,044.71x = 11,621,810,949,707,672
  5. Step 5: Solve for x
    x = 11,621,810,949,707,672/123,787,044.71
  6. Step 6: Final answer
    x = 93,885,519.10

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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.