Home / 52,339,279.20-78,508,918.80-49,987,816.80

Finding the Fourth Proportional to 52,339,279.20, 78,508,918.80 and 49,987,816.80

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Solution

The fourth proportional to 52,339,279.20, 78,508,918.80 and 49,987,816.80 is: 74,981,725.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,339,279.20 : 78,508,918.80 = 49,987,816.80 : x
  2. Step 2: Convert to fraction form
    52,339,279.20/78,508,918.80 = 49,987,816.80/x
  3. Step 3: Cross multiply
    52,339,279.20x = 78,508,918.80 × 49,987,816.80
  4. Step 4: Simplify right side
    52,339,279.20x = 3,924,489,450,140,475.50
  5. Step 5: Solve for x
    x = 3,924,489,450,140,475.50/52,339,279.20
  6. Step 6: Final answer
    x = 74,981,725.20

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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.