Home / 312,134,425.20-468,059,920.20-117,981,313.20

Finding the Fourth Proportional to 312,134,425.20, 468,059,920.20 and 117,981,313.20

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Solution

The fourth proportional to 312,134,425.20, 468,059,920.20 and 117,981,313.20 is: 176,918,403.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,134,425.20 : 468,059,920.20 = 117,981,313.20 : x
  2. Step 2: Convert to fraction form
    312,134,425.20/468,059,920.20 = 117,981,313.20/x
  3. Step 3: Cross multiply
    312,134,425.20x = 468,059,920.20 × 117,981,313.20
  4. Step 4: Simplify right side
    312,134,425.20x = 55,222,324,041,483,208
  5. Step 5: Solve for x
    x = 55,222,324,041,483,208/312,134,425.20
  6. Step 6: Final answer
    x = 176,918,403.04

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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.