Home / 126,734,036.45-174,862,991.61-71,729,892.95

Finding the Fourth Proportional to 126,734,036.45, 174,862,991.61 and 71,729,892.95

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Solution

The fourth proportional to 126,734,036.45, 174,862,991.61 and 71,729,892.95 is: 98,970,284.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,734,036.45 : 174,862,991.61 = 71,729,892.95 : x
  2. Step 2: Convert to fraction form
    126,734,036.45/174,862,991.61 = 71,729,892.95/x
  3. Step 3: Cross multiply
    126,734,036.45x = 174,862,991.61 × 71,729,892.95
  4. Step 4: Simplify right side
    126,734,036.45x = 12,542,903,668,227,732
  5. Step 5: Solve for x
    x = 12,542,903,668,227,732/126,734,036.45
  6. Step 6: Final answer
    x = 98,970,284.70

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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.