Home / 107,922,359.68-148,981,493.54-68,816,700.16

Finding the Fourth Proportional to 107,922,359.68, 148,981,493.54 and 68,816,700.16

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Solution

The fourth proportional to 107,922,359.68, 148,981,493.54 and 68,816,700.16 is: 94,998,059.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,922,359.68 : 148,981,493.54 = 68,816,700.16 : x
  2. Step 2: Convert to fraction form
    107,922,359.68/148,981,493.54 = 68,816,700.16/x
  3. Step 3: Cross multiply
    107,922,359.68x = 148,981,493.54 × 68,816,700.16
  4. Step 4: Simplify right side
    107,922,359.68x = 10,252,414,770,331,156
  5. Step 5: Solve for x
    x = 10,252,414,770,331,156/107,922,359.68
  6. Step 6: Final answer
    x = 94,998,059.72

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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.