Home / 115,037,132.96-158,755,160.56-68,034,498.02

Finding the Fourth Proportional to 115,037,132.96, 158,755,160.56 and 68,034,498.02

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Solution

The fourth proportional to 115,037,132.96, 158,755,160.56 and 68,034,498.02 is: 93,889,923.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,037,132.96 : 158,755,160.56 = 68,034,498.02 : x
  2. Step 2: Convert to fraction form
    115,037,132.96/158,755,160.56 = 68,034,498.02/x
  3. Step 3: Cross multiply
    115,037,132.96x = 158,755,160.56 × 68,034,498.02
  4. Step 4: Simplify right side
    115,037,132.96x = 10,800,827,656,784,102
  5. Step 5: Solve for x
    x = 10,800,827,656,784,102/115,037,132.96
  6. Step 6: Final answer
    x = 93,889,923.88

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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.