Home / 279,516,001.31-419,228,523.26-131,963,276.01

Finding the Fourth Proportional to 279,516,001.31, 419,228,523.26 and 131,963,276.01

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Solution

The fourth proportional to 279,516,001.31, 419,228,523.26 and 131,963,276.01 is: 197,923,442.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,516,001.31 : 419,228,523.26 = 131,963,276.01 : x
  2. Step 2: Convert to fraction form
    279,516,001.31/419,228,523.26 = 131,963,276.01/x
  3. Step 3: Cross multiply
    279,516,001.31x = 419,228,523.26 × 131,963,276.01
  4. Step 4: Simplify right side
    279,516,001.31x = 55,322,769,328,372,872
  5. Step 5: Solve for x
    x = 55,322,769,328,372,872/279,516,001.31
  6. Step 6: Final answer
    x = 197,923,442.91

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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.