Home / 81,685,647.60-122,528,471.40-36,252,034.80

Finding the Fourth Proportional to 81,685,647.60, 122,528,471.40 and 36,252,034.80

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Solution

The fourth proportional to 81,685,647.60, 122,528,471.40 and 36,252,034.80 is: 54,378,052.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,685,647.60 : 122,528,471.40 = 36,252,034.80 : x
  2. Step 2: Convert to fraction form
    81,685,647.60/122,528,471.40 = 36,252,034.80/x
  3. Step 3: Cross multiply
    81,685,647.60x = 122,528,471.40 × 36,252,034.80
  4. Step 4: Simplify right side
    81,685,647.60x = 4,441,906,409,183,604.50
  5. Step 5: Solve for x
    x = 4,441,906,409,183,604.50/81,685,647.60
  6. Step 6: Final answer
    x = 54,378,052.20

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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.