Home / 126,734,037.95-174,862,993.68-71,729,894.45

Finding the Fourth Proportional to 126,734,037.95, 174,862,993.68 and 71,729,894.45

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Solution

The fourth proportional to 126,734,037.95, 174,862,993.68 and 71,729,894.45 is: 98,970,286.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,734,037.95 : 174,862,993.68 = 71,729,894.45 : x
  2. Step 2: Convert to fraction form
    126,734,037.95/174,862,993.68 = 71,729,894.45/x
  3. Step 3: Cross multiply
    126,734,037.95x = 174,862,993.68 × 71,729,894.45
  4. Step 4: Simplify right side
    126,734,037.95x = 12,542,904,079,877,418
  5. Step 5: Solve for x
    x = 12,542,904,079,877,418/126,734,037.95
  6. Step 6: Final answer
    x = 98,970,286.77

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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.