Home / 103,519,888.80-155,279,833.20-79,632,016.80

Finding the Fourth Proportional to 103,519,888.80, 155,279,833.20 and 79,632,016.80

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Solution

The fourth proportional to 103,519,888.80, 155,279,833.20 and 79,632,016.80 is: 119,448,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,519,888.80 : 155,279,833.20 = 79,632,016.80 : x
  2. Step 2: Convert to fraction form
    103,519,888.80/155,279,833.20 = 79,632,016.80/x
  3. Step 3: Cross multiply
    103,519,888.80x = 155,279,833.20 × 79,632,016.80
  4. Step 4: Simplify right side
    103,519,888.80x = 12,365,246,286,083,596
  5. Step 5: Solve for x
    x = 12,365,246,286,083,596/103,519,888.80
  6. Step 6: Final answer
    x = 119,448,025.20

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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.