Home / 276,836,260.80-415,201,247.10-82,754,007.60

Finding the Fourth Proportional to 276,836,260.80, 415,201,247.10 and 82,754,007.60

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Solution

The fourth proportional to 276,836,260.80, 415,201,247.10 and 82,754,007.60 is: 124,115,125.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,836,260.80 : 415,201,247.10 = 82,754,007.60 : x
  2. Step 2: Convert to fraction form
    276,836,260.80/415,201,247.10 = 82,754,007.60/x
  3. Step 3: Cross multiply
    276,836,260.80x = 415,201,247.10 × 82,754,007.60
  4. Step 4: Simplify right side
    276,836,260.80x = 34,359,567,158,042,876
  5. Step 5: Solve for x
    x = 34,359,567,158,042,876/276,836,260.80
  6. Step 6: Final answer
    x = 124,115,125.16

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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.