Home / 192,456,007.20-288,684,010.80-84,960,583.20

Finding the Fourth Proportional to 192,456,007.20, 288,684,010.80 and 84,960,583.20

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Solution

The fourth proportional to 192,456,007.20, 288,684,010.80 and 84,960,583.20 is: 127,440,874.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,456,007.20 : 288,684,010.80 = 84,960,583.20 : x
  2. Step 2: Convert to fraction form
    192,456,007.20/288,684,010.80 = 84,960,583.20/x
  3. Step 3: Cross multiply
    192,456,007.20x = 288,684,010.80 × 84,960,583.20
  4. Step 4: Simplify right side
    192,456,007.20x = 24,526,761,918,083,100
  5. Step 5: Solve for x
    x = 24,526,761,918,083,100/192,456,007.20
  6. Step 6: Final answer
    x = 127,440,874.80

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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.