Home / 185,186,850.71-277,723,545.28-128,046,314.39

Finding the Fourth Proportional to 185,186,850.71, 277,723,545.28 and 128,046,314.39

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Solution

The fourth proportional to 185,186,850.71, 277,723,545.28 and 128,046,314.39 is: 192,030,245.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,186,850.71 : 277,723,545.28 = 128,046,314.39 : x
  2. Step 2: Convert to fraction form
    185,186,850.71/277,723,545.28 = 128,046,314.39/x
  3. Step 3: Cross multiply
    185,186,850.71x = 277,723,545.28 × 128,046,314.39
  4. Step 4: Simplify right side
    185,186,850.71x = 35,561,476,392,428,276
  5. Step 5: Solve for x
    x = 35,561,476,392,428,276/185,186,850.71
  6. Step 6: Final answer
    x = 192,030,245.43

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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.