Home / 84,743,999.20-127,132,587.60-36,221,759.20

Finding the Fourth Proportional to 84,743,999.20, 127,132,587.60 and 36,221,759.20

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Solution

The fourth proportional to 84,743,999.20, 127,132,587.60 and 36,221,759.20 is: 54,339,729.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,743,999.20 : 127,132,587.60 = 36,221,759.20 : x
  2. Step 2: Convert to fraction form
    84,743,999.20/127,132,587.60 = 36,221,759.20/x
  3. Step 3: Cross multiply
    84,743,999.20x = 127,132,587.60 × 36,221,759.20
  4. Step 4: Simplify right side
    84,743,999.20x = 4,604,965,974,520,106
  5. Step 5: Solve for x
    x = 4,604,965,974,520,106/84,743,999.20
  6. Step 6: Final answer
    x = 54,339,729.28

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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.