Home / 91,860,794.20-137,791,191.30-40,842,458.20

Finding the Fourth Proportional to 91,860,794.20, 137,791,191.30 and 40,842,458.20

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Solution

The fourth proportional to 91,860,794.20, 137,791,191.30 and 40,842,458.20 is: 61,263,687.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,860,794.20 : 137,791,191.30 = 40,842,458.20 : x
  2. Step 2: Convert to fraction form
    91,860,794.20/137,791,191.30 = 40,842,458.20/x
  3. Step 3: Cross multiply
    91,860,794.20x = 137,791,191.30 × 40,842,458.20
  4. Step 4: Simplify right side
    91,860,794.20x = 5,627,730,970,998,455
  5. Step 5: Solve for x
    x = 5,627,730,970,998,455/91,860,794.20
  6. Step 6: Final answer
    x = 61,263,687.30

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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.