Home / 84,747,064.20-127,120,596.30-79,645,230.60

Finding the Fourth Proportional to 84,747,064.20, 127,120,596.30 and 79,645,230.60

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Solution

The fourth proportional to 84,747,064.20, 127,120,596.30 and 79,645,230.60 is: 119,467,845.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,747,064.20 : 127,120,596.30 = 79,645,230.60 : x
  2. Step 2: Convert to fraction form
    84,747,064.20/127,120,596.30 = 79,645,230.60/x
  3. Step 3: Cross multiply
    84,747,064.20x = 127,120,596.30 × 79,645,230.60
  4. Step 4: Simplify right side
    84,747,064.20x = 10,124,549,206,323,006
  5. Step 5: Solve for x
    x = 10,124,549,206,323,006/84,747,064.20
  6. Step 6: Final answer
    x = 119,467,845.90

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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.