Home / 198,827,288,873.28-274,381,648,151.76-107,375,830,892.64

Finding the Fourth Proportional to 198,827,288,873.28, 274,381,648,151.76 and 107,375,830,892.64

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Solution

The fourth proportional to 198,827,288,873.28, 274,381,648,151.76 and 107,375,830,892.64 is: 148,178,640,964.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,827,288,873.28 : 274,381,648,151.76 = 107,375,830,892.64 : x
  2. Step 2: Convert to fraction form
    198,827,288,873.28/274,381,648,151.76 = 107,375,830,892.64/x
  3. Step 3: Cross multiply
    198,827,288,873.28x = 274,381,648,151.76 × 107,375,830,892.64
  4. Step 4: Simplify right side
    198,827,288,873.28x = 29,461,957,451,987,229,343,744
  5. Step 5: Solve for x
    x = 29,461,957,451,987,229,343,744/198,827,288,873.28
  6. Step 6: Final answer
    x = 148,178,640,964.95

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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.