Home / 52,116,190.80-78,202,279.80-21,827,115.60

Finding the Fourth Proportional to 52,116,190.80, 78,202,279.80 and 21,827,115.60

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Solution

The fourth proportional to 52,116,190.80, 78,202,279.80 and 21,827,115.60 is: 32,752,397.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,116,190.80 : 78,202,279.80 = 21,827,115.60 : x
  2. Step 2: Convert to fraction form
    52,116,190.80/78,202,279.80 = 21,827,115.60/x
  3. Step 3: Cross multiply
    52,116,190.80x = 78,202,279.80 × 21,827,115.60
  4. Step 4: Simplify right side
    52,116,190.80x = 1,706,930,201,378,145
  5. Step 5: Solve for x
    x = 1,706,930,201,378,145/52,116,190.80
  6. Step 6: Final answer
    x = 32,752,397.58

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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.