Home / 54,348,711.60-81,469,923.30-48,609,148.80

Finding the Fourth Proportional to 54,348,711.60, 81,469,923.30 and 48,609,148.80

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Solution

The fourth proportional to 54,348,711.60, 81,469,923.30 and 48,609,148.80 is: 72,866,191.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,348,711.60 : 81,469,923.30 = 48,609,148.80 : x
  2. Step 2: Convert to fraction form
    54,348,711.60/81,469,923.30 = 48,609,148.80/x
  3. Step 3: Cross multiply
    54,348,711.60x = 81,469,923.30 × 48,609,148.80
  4. Step 4: Simplify right side
    54,348,711.60x = 3,960,183,624,414,286.50
  5. Step 5: Solve for x
    x = 3,960,183,624,414,286.50/54,348,711.60
  6. Step 6: Final answer
    x = 72,866,191.45

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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.