Home / 85,168,870.20-127,753,305.30-49,225,087.80

Finding the Fourth Proportional to 85,168,870.20, 127,753,305.30 and 49,225,087.80

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Solution

The fourth proportional to 85,168,870.20, 127,753,305.30 and 49,225,087.80 is: 73,837,631.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,168,870.20 : 127,753,305.30 = 49,225,087.80 : x
  2. Step 2: Convert to fraction form
    85,168,870.20/127,753,305.30 = 49,225,087.80/x
  3. Step 3: Cross multiply
    85,168,870.20x = 127,753,305.30 × 49,225,087.80
  4. Step 4: Simplify right side
    85,168,870.20x = 6,288,667,670,132,705
  5. Step 5: Solve for x
    x = 6,288,667,670,132,705/85,168,870.20
  6. Step 6: Final answer
    x = 73,837,631.70

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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.