Home / 276,584,302.82-414,921,479.10-129,179,267.17

Finding the Fourth Proportional to 276,584,302.82, 414,921,479.10 and 129,179,267.17

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Solution

The fourth proportional to 276,584,302.82, 414,921,479.10 and 129,179,267.17 is: 193,789,929.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,584,302.82 : 414,921,479.10 = 129,179,267.17 : x
  2. Step 2: Convert to fraction form
    276,584,302.82/414,921,479.10 = 129,179,267.17/x
  3. Step 3: Cross multiply
    276,584,302.82x = 414,921,479.10 × 129,179,267.17
  4. Step 4: Simplify right side
    276,584,302.82x = 53,599,252,601,707,456
  5. Step 5: Solve for x
    x = 53,599,252,601,707,456/276,584,302.82
  6. Step 6: Final answer
    x = 193,789,929.71

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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.