Home / 171,954,296.95-237,306,892.25-129,491,841.21

Finding the Fourth Proportional to 171,954,296.95, 237,306,892.25 and 129,491,841.21

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Solution

The fourth proportional to 171,954,296.95, 237,306,892.25 and 129,491,841.21 is: 178,706,243.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,954,296.95 : 237,306,892.25 = 129,491,841.21 : x
  2. Step 2: Convert to fraction form
    171,954,296.95/237,306,892.25 = 129,491,841.21/x
  3. Step 3: Cross multiply
    171,954,296.95x = 237,306,892.25 × 129,491,841.21
  4. Step 4: Simplify right side
    171,954,296.95x = 30,729,306,409,275,580
  5. Step 5: Solve for x
    x = 30,729,306,409,275,580/171,954,296.95
  6. Step 6: Final answer
    x = 178,706,243.20

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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.