Home / 52,175,020.20-78,238,910.70-19,816,168.20

Finding the Fourth Proportional to 52,175,020.20, 78,238,910.70 and 19,816,168.20

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Solution

The fourth proportional to 52,175,020.20, 78,238,910.70 and 19,816,168.20 is: 29,715,281.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,175,020.20 : 78,238,910.70 = 19,816,168.20 : x
  2. Step 2: Convert to fraction form
    52,175,020.20/78,238,910.70 = 19,816,168.20/x
  3. Step 3: Cross multiply
    52,175,020.20x = 78,238,910.70 × 19,816,168.20
  4. Step 4: Simplify right side
    52,175,020.20x = 1,550,395,414,215,979.75
  5. Step 5: Solve for x
    x = 1,550,395,414,215,979.75/52,175,020.20
  6. Step 6: Final answer
    x = 29,715,281.53

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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.