Home / 100,147,974.24-150,220,348.56-31,990,216.80

Finding the Fourth Proportional to 100,147,974.24, 150,220,348.56 and 31,990,216.80

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Solution

The fourth proportional to 100,147,974.24, 150,220,348.56 and 31,990,216.80 is: 47,984,810.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,147,974.24 : 150,220,348.56 = 31,990,216.80 : x
  2. Step 2: Convert to fraction form
    100,147,974.24/150,220,348.56 = 31,990,216.80/x
  3. Step 3: Cross multiply
    100,147,974.24x = 150,220,348.56 × 31,990,216.80
  4. Step 4: Simplify right side
    100,147,974.24x = 4,805,581,518,205,968
  5. Step 5: Solve for x
    x = 4,805,581,518,205,968/100,147,974.24
  6. Step 6: Final answer
    x = 47,984,810.02

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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.