Home / 132,887,307.20-199,116,343.20-75,208,049.60

Finding the Fourth Proportional to 132,887,307.20, 199,116,343.20 and 75,208,049.60

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Solution

The fourth proportional to 132,887,307.20, 199,116,343.20 and 75,208,049.60 is: 112,690,610.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,887,307.20 : 199,116,343.20 = 75,208,049.60 : x
  2. Step 2: Convert to fraction form
    132,887,307.20/199,116,343.20 = 75,208,049.60/x
  3. Step 3: Cross multiply
    132,887,307.20x = 199,116,343.20 × 75,208,049.60
  4. Step 4: Simplify right side
    132,887,307.20x = 14,975,151,815,556,220
  5. Step 5: Solve for x
    x = 14,975,151,815,556,220/132,887,307.20
  6. Step 6: Final answer
    x = 112,690,610.80

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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.