Home / 192,387,657.40-288,581,486.10-172,904,111.80

Finding the Fourth Proportional to 192,387,657.40, 288,581,486.10 and 172,904,111.80

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Solution

The fourth proportional to 192,387,657.40, 288,581,486.10 and 172,904,111.80 is: 259,356,167.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,387,657.40 : 288,581,486.10 = 172,904,111.80 : x
  2. Step 2: Convert to fraction form
    192,387,657.40/288,581,486.10 = 172,904,111.80/x
  3. Step 3: Cross multiply
    192,387,657.40x = 288,581,486.10 × 172,904,111.80
  4. Step 4: Simplify right side
    192,387,657.40x = 49,896,925,536,044,552
  5. Step 5: Solve for x
    x = 49,896,925,536,044,552/192,387,657.40
  6. Step 6: Final answer
    x = 259,356,167.70

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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.