Home / 84,691,202.40-127,036,803.60-82,990,591.20

Finding the Fourth Proportional to 84,691,202.40, 127,036,803.60 and 82,990,591.20

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Solution

The fourth proportional to 84,691,202.40, 127,036,803.60 and 82,990,591.20 is: 124,485,886.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,691,202.40 : 127,036,803.60 = 82,990,591.20 : x
  2. Step 2: Convert to fraction form
    84,691,202.40/127,036,803.60 = 82,990,591.20/x
  3. Step 3: Cross multiply
    84,691,202.40x = 127,036,803.60 × 82,990,591.20
  4. Step 4: Simplify right side
    84,691,202.40x = 10,542,859,434,922,288
  5. Step 5: Solve for x
    x = 10,542,859,434,922,288/84,691,202.40
  6. Step 6: Final answer
    x = 124,485,886.80

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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.