Home / 52,504,461.20-78,733,072.20-20,145,609.20

Finding the Fourth Proportional to 52,504,461.20, 78,733,072.20 and 20,145,609.20

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Solution

The fourth proportional to 52,504,461.20, 78,733,072.20 and 20,145,609.20 is: 30,209,351.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,504,461.20 : 78,733,072.20 = 20,145,609.20 : x
  2. Step 2: Convert to fraction form
    52,504,461.20/78,733,072.20 = 20,145,609.20/x
  3. Step 3: Cross multiply
    52,504,461.20x = 78,733,072.20 × 20,145,609.20
  4. Step 4: Simplify right side
    52,504,461.20x = 1,586,125,703,656,584.25
  5. Step 5: Solve for x
    x = 1,586,125,703,656,584.25/52,504,461.20
  6. Step 6: Final answer
    x = 30,209,351.12

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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.