Home / 127,207,862.60-190,811,793.90-42,107,318.60

Finding the Fourth Proportional to 127,207,862.60, 190,811,793.90 and 42,107,318.60

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Solution

The fourth proportional to 127,207,862.60, 190,811,793.90 and 42,107,318.60 is: 63,160,977.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,207,862.60 : 190,811,793.90 = 42,107,318.60 : x
  2. Step 2: Convert to fraction form
    127,207,862.60/190,811,793.90 = 42,107,318.60/x
  3. Step 3: Cross multiply
    127,207,862.60x = 190,811,793.90 × 42,107,318.60
  4. Step 4: Simplify right side
    127,207,862.60x = 8,034,572,998,384,837
  5. Step 5: Solve for x
    x = 8,034,572,998,384,837/127,207,862.60
  6. Step 6: Final answer
    x = 63,160,977.90

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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.