Home / 126,916,043.28-175,079,678.42-82,888,813.64

Finding the Fourth Proportional to 126,916,043.28, 175,079,678.42 and 82,888,813.64

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Solution

The fourth proportional to 126,916,043.28, 175,079,678.42 and 82,888,813.64 is: 114,344,463.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,916,043.28 : 175,079,678.42 = 82,888,813.64 : x
  2. Step 2: Convert to fraction form
    126,916,043.28/175,079,678.42 = 82,888,813.64/x
  3. Step 3: Cross multiply
    126,916,043.28x = 175,079,678.42 × 82,888,813.64
  4. Step 4: Simplify right side
    126,916,043.28x = 14,512,146,836,706,508
  5. Step 5: Solve for x
    x = 14,512,146,836,706,508/126,916,043.28
  6. Step 6: Final answer
    x = 114,344,463.17

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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.