Home / 127,090,380.60-175,375,100.14-71,325,030.92

Finding the Fourth Proportional to 127,090,380.60, 175,375,100.14 and 71,325,030.92

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Solution

The fourth proportional to 127,090,380.60, 175,375,100.14 and 71,325,030.92 is: 98,423,140.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,090,380.60 : 175,375,100.14 = 71,325,030.92 : x
  2. Step 2: Convert to fraction form
    127,090,380.60/175,375,100.14 = 71,325,030.92/x
  3. Step 3: Cross multiply
    127,090,380.60x = 175,375,100.14 × 71,325,030.92
  4. Step 4: Simplify right side
    127,090,380.60x = 12,508,634,439,028,408
  5. Step 5: Solve for x
    x = 12,508,634,439,028,408/127,090,380.60
  6. Step 6: Final answer
    x = 98,423,140.92

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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.