Home / 279,516,003.32-419,228,526.27-131,963,278.01

Finding the Fourth Proportional to 279,516,003.32, 419,228,526.27 and 131,963,278.01

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Solution

The fourth proportional to 279,516,003.32, 419,228,526.27 and 131,963,278.01 is: 197,923,445.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,516,003.32 : 419,228,526.27 = 131,963,278.01 : x
  2. Step 2: Convert to fraction form
    279,516,003.32/419,228,526.27 = 131,963,278.01/x
  3. Step 3: Cross multiply
    279,516,003.32x = 419,228,526.27 × 131,963,278.01
  4. Step 4: Simplify right side
    279,516,003.32x = 55,322,770,561,890,600
  5. Step 5: Solve for x
    x = 55,322,770,561,890,600/279,516,003.32
  6. Step 6: Final answer
    x = 197,923,445.90

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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.