Home / 217,267,361.28-299,822,979.60-119,482,217.28

Finding the Fourth Proportional to 217,267,361.28, 299,822,979.60 and 119,482,217.28

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Solution

The fourth proportional to 217,267,361.28, 299,822,979.60 and 119,482,217.28 is: 164,882,171.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,267,361.28 : 299,822,979.60 = 119,482,217.28 : x
  2. Step 2: Convert to fraction form
    217,267,361.28/299,822,979.60 = 119,482,217.28/x
  3. Step 3: Cross multiply
    217,267,361.28x = 299,822,979.60 × 119,482,217.28
  4. Step 4: Simplify right side
    217,267,361.28x = 35,823,514,394,104,212
  5. Step 5: Solve for x
    x = 35,823,514,394,104,212/217,267,361.28
  6. Step 6: Final answer
    x = 164,882,171.82

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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.