Home / 192,456,004.40-288,684,006.60-172,972,458.80

Finding the Fourth Proportional to 192,456,004.40, 288,684,006.60 and 172,972,458.80

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Solution

The fourth proportional to 192,456,004.40, 288,684,006.60 and 172,972,458.80 is: 259,458,688.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,456,004.40 : 288,684,006.60 = 172,972,458.80 : x
  2. Step 2: Convert to fraction form
    192,456,004.40/288,684,006.60 = 172,972,458.80/x
  3. Step 3: Cross multiply
    192,456,004.40x = 288,684,006.60 × 172,972,458.80
  4. Step 4: Simplify right side
    192,456,004.40x = 49,934,382,437,837,432
  5. Step 5: Solve for x
    x = 49,934,382,437,837,432/192,456,004.40
  6. Step 6: Final answer
    x = 259,458,688.20

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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.