Home / 279,070,102.91-385,121,639.44-151,914,437.38

Finding the Fourth Proportional to 279,070,102.91, 385,121,639.44 and 151,914,437.38

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Solution

The fourth proportional to 279,070,102.91, 385,121,639.44 and 151,914,437.38 is: 209,644,589.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,070,102.91 : 385,121,639.44 = 151,914,437.38 : x
  2. Step 2: Convert to fraction form
    279,070,102.91/385,121,639.44 = 151,914,437.38/x
  3. Step 3: Cross multiply
    279,070,102.91x = 385,121,639.44 × 151,914,437.38
  4. Step 4: Simplify right side
    279,070,102.91x = 58,505,537,179,060,592
  5. Step 5: Solve for x
    x = 58,505,537,179,060,592/279,070,102.91
  6. Step 6: Final answer
    x = 209,644,589.54

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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.