Home / 137,003,572.80-188,882,031.78-108,839,394.90

Finding the Fourth Proportional to 137,003,572.80, 188,882,031.78 and 108,839,394.90

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Solution

The fourth proportional to 137,003,572.80, 188,882,031.78 and 108,839,394.90 is: 150,053,065.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,003,572.80 : 188,882,031.78 = 108,839,394.90 : x
  2. Step 2: Convert to fraction form
    137,003,572.80/188,882,031.78 = 108,839,394.90/x
  3. Step 3: Cross multiply
    137,003,572.80x = 188,882,031.78 × 108,839,394.90
  4. Step 4: Simplify right side
    137,003,572.80x = 20,557,806,046,417,772
  5. Step 5: Solve for x
    x = 20,557,806,046,417,772/137,003,572.80
  6. Step 6: Final answer
    x = 150,053,065.23

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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.