Home / 207,098,212.80-310,647,319.20-194,333,131.20

Finding the Fourth Proportional to 207,098,212.80, 310,647,319.20 and 194,333,131.20

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Solution

The fourth proportional to 207,098,212.80, 310,647,319.20 and 194,333,131.20 is: 291,499,696.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,098,212.80 : 310,647,319.20 = 194,333,131.20 : x
  2. Step 2: Convert to fraction form
    207,098,212.80/310,647,319.20 = 194,333,131.20/x
  3. Step 3: Cross multiply
    207,098,212.80x = 310,647,319.20 × 194,333,131.20
  4. Step 4: Simplify right side
    207,098,212.80x = 60,369,066,239,021,872
  5. Step 5: Solve for x
    x = 60,369,066,239,021,872/207,098,212.80
  6. Step 6: Final answer
    x = 291,499,696.80

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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.