Home / 192,387,649.40-288,581,474.10-172,904,103.80

Finding the Fourth Proportional to 192,387,649.40, 288,581,474.10 and 172,904,103.80

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Solution

The fourth proportional to 192,387,649.40, 288,581,474.10 and 172,904,103.80 is: 259,356,155.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,387,649.40 : 288,581,474.10 = 172,904,103.80 : x
  2. Step 2: Convert to fraction form
    192,387,649.40/288,581,474.10 = 172,904,103.80/x
  3. Step 3: Cross multiply
    192,387,649.40x = 288,581,474.10 × 172,904,103.80
  4. Step 4: Simplify right side
    192,387,649.40x = 49,896,921,152,543,416
  5. Step 5: Solve for x
    x = 49,896,921,152,543,416/192,387,649.40
  6. Step 6: Final answer
    x = 259,356,155.70

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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.