Home / 160,331,170.28-221,266,132.24-89,766,163.13

Finding the Fourth Proportional to 160,331,170.28, 221,266,132.24 and 89,766,163.13

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Solution

The fourth proportional to 160,331,170.28, 221,266,132.24 and 89,766,163.13 is: 123,882,409.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,331,170.28 : 221,266,132.24 = 89,766,163.13 : x
  2. Step 2: Convert to fraction form
    160,331,170.28/221,266,132.24 = 89,766,163.13/x
  3. Step 3: Cross multiply
    160,331,170.28x = 221,266,132.24 × 89,766,163.13
  4. Step 4: Simplify right side
    160,331,170.28x = 19,862,211,721,298,996
  5. Step 5: Solve for x
    x = 19,862,211,721,298,996/160,331,170.28
  6. Step 6: Final answer
    x = 123,882,409.68

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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.