Home / 82,817,902.40-124,226,853.60-52,206,900.80

Finding the Fourth Proportional to 82,817,902.40, 124,226,853.60 and 52,206,900.80

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Solution

The fourth proportional to 82,817,902.40, 124,226,853.60 and 52,206,900.80 is: 78,310,351.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,817,902.40 : 124,226,853.60 = 52,206,900.80 : x
  2. Step 2: Convert to fraction form
    82,817,902.40/124,226,853.60 = 52,206,900.80/x
  3. Step 3: Cross multiply
    82,817,902.40x = 124,226,853.60 × 52,206,900.80
  4. Step 4: Simplify right side
    82,817,902.40x = 6,485,499,022,591,322
  5. Step 5: Solve for x
    x = 6,485,499,022,591,322/82,817,902.40
  6. Step 6: Final answer
    x = 78,310,351.20

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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.