Home / 91,207,265.40-125,866,147.60-49,391,402.80

Finding the Fourth Proportional to 91,207,265.40, 125,866,147.60 and 49,391,402.80

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Solution

The fourth proportional to 91,207,265.40, 125,866,147.60 and 49,391,402.80 is: 68,160,201.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,207,265.40 : 125,866,147.60 = 49,391,402.80 : x
  2. Step 2: Convert to fraction form
    91,207,265.40/125,866,147.60 = 49,391,402.80/x
  3. Step 3: Cross multiply
    91,207,265.40x = 125,866,147.60 × 49,391,402.80
  4. Step 4: Simplify right side
    91,207,265.40x = 6,216,705,594,995,853
  5. Step 5: Solve for x
    x = 6,216,705,594,995,853/91,207,265.40
  6. Step 6: Final answer
    x = 68,160,201.58

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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.