Home / 127,593,655.20-191,434,719.60-55,841,565.60

Finding the Fourth Proportional to 127,593,655.20, 191,434,719.60 and 55,841,565.60

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Solution

The fourth proportional to 127,593,655.20, 191,434,719.60 and 55,841,565.60 is: 83,781,708.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,593,655.20 : 191,434,719.60 = 55,841,565.60 : x
  2. Step 2: Convert to fraction form
    127,593,655.20/191,434,719.60 = 55,841,565.60/x
  3. Step 3: Cross multiply
    127,593,655.20x = 191,434,719.60 × 55,841,565.60
  4. Step 4: Simplify right side
    127,593,655.20x = 10,690,014,452,661,006
  5. Step 5: Solve for x
    x = 10,690,014,452,661,006/127,593,655.20
  6. Step 6: Final answer
    x = 83,781,708.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.