Home / 99,851,238.20-149,793,446.10-39,268,940.60

Finding the Fourth Proportional to 99,851,238.20, 149,793,446.10 and 39,268,940.60

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Solution

The fourth proportional to 99,851,238.20, 149,793,446.10 and 39,268,940.60 is: 58,909,934.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,851,238.20 : 149,793,446.10 = 39,268,940.60 : x
  2. Step 2: Convert to fraction form
    99,851,238.20/149,793,446.10 = 39,268,940.60/x
  3. Step 3: Cross multiply
    99,851,238.20x = 149,793,446.10 × 39,268,940.60
  4. Step 4: Simplify right side
    99,851,238.20x = 5,882,229,937,170,202
  5. Step 5: Solve for x
    x = 5,882,229,937,170,202/99,851,238.20
  6. Step 6: Final answer
    x = 58,909,934.85

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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.