Home / 85,177,311.60-127,598,005.80-49,233,529.20

Finding the Fourth Proportional to 85,177,311.60, 127,598,005.80 and 49,233,529.20

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Solution

The fourth proportional to 85,177,311.60, 127,598,005.80 and 49,233,529.20 is: 73,753,209.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,177,311.60 : 127,598,005.80 = 49,233,529.20 : x
  2. Step 2: Convert to fraction form
    85,177,311.60/127,598,005.80 = 49,233,529.20/x
  3. Step 3: Cross multiply
    85,177,311.60x = 127,598,005.80 × 49,233,529.20
  4. Step 4: Simplify right side
    85,177,311.60x = 6,282,100,144,416,070
  5. Step 5: Solve for x
    x = 6,282,100,144,416,070/85,177,311.60
  6. Step 6: Final answer
    x = 73,753,209.94

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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.