Home / 192,456,399.80-288,684,599.70-123,581,646.20

Finding the Fourth Proportional to 192,456,399.80, 288,684,599.70 and 123,581,646.20

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Solution

The fourth proportional to 192,456,399.80, 288,684,599.70 and 123,581,646.20 is: 185,372,469.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,456,399.80 : 288,684,599.70 = 123,581,646.20 : x
  2. Step 2: Convert to fraction form
    192,456,399.80/288,684,599.70 = 123,581,646.20/x
  3. Step 3: Cross multiply
    192,456,399.80x = 288,684,599.70 × 123,581,646.20
  4. Step 4: Simplify right side
    192,456,399.80x = 35,676,118,063,514,024
  5. Step 5: Solve for x
    x = 35,676,118,063,514,024/192,456,399.80
  6. Step 6: Final answer
    x = 185,372,469.30

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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.