Home / 279,368,338.59-385,467,505.14-169,387,082.91

Finding the Fourth Proportional to 279,368,338.59, 385,467,505.14 and 169,387,082.91

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Solution

The fourth proportional to 279,368,338.59, 385,467,505.14 and 169,387,082.91 is: 233,717,308.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,368,338.59 : 385,467,505.14 = 169,387,082.91 : x
  2. Step 2: Convert to fraction form
    279,368,338.59/385,467,505.14 = 169,387,082.91/x
  3. Step 3: Cross multiply
    279,368,338.59x = 385,467,505.14 × 169,387,082.91
  4. Step 4: Simplify right side
    279,368,338.59x = 65,293,216,252,260,024
  5. Step 5: Solve for x
    x = 65,293,216,252,260,024/279,368,338.59
  6. Step 6: Final answer
    x = 233,717,308.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.