Home / 193,417,961.40-290,126,942.10-172,254,799.80

Finding the Fourth Proportional to 193,417,961.40, 290,126,942.10 and 172,254,799.80

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Solution

The fourth proportional to 193,417,961.40, 290,126,942.10 and 172,254,799.80 is: 258,382,199.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,417,961.40 : 290,126,942.10 = 172,254,799.80 : x
  2. Step 2: Convert to fraction form
    193,417,961.40/290,126,942.10 = 172,254,799.80/x
  3. Step 3: Cross multiply
    193,417,961.40x = 290,126,942.10 × 172,254,799.80
  4. Step 4: Simplify right side
    193,417,961.40x = 49,975,758,328,021,696
  5. Step 5: Solve for x
    x = 49,975,758,328,021,696/193,417,961.40
  6. Step 6: Final answer
    x = 258,382,199.70

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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.