Home / 99,851,247.20-149,793,459.60-39,268,949.60

Finding the Fourth Proportional to 99,851,247.20, 149,793,459.60 and 39,268,949.60

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Solution

The fourth proportional to 99,851,247.20, 149,793,459.60 and 39,268,949.60 is: 58,909,948.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,851,247.20 : 149,793,459.60 = 39,268,949.60 : x
  2. Step 2: Convert to fraction form
    99,851,247.20/149,793,459.60 = 39,268,949.60/x
  3. Step 3: Cross multiply
    99,851,247.20x = 149,793,459.60 × 39,268,949.60
  4. Step 4: Simplify right side
    99,851,247.20x = 5,882,231,815,442,036
  5. Step 5: Solve for x
    x = 5,882,231,815,442,036/99,851,247.20
  6. Step 6: Final answer
    x = 58,909,948.35

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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.