Home / 279,598,254.76-419,397,160.70-75,126,330.01

Finding the Fourth Proportional to 279,598,254.76, 419,397,160.70 and 75,126,330.01

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Solution

The fourth proportional to 279,598,254.76, 419,397,160.70 and 75,126,330.01 is: 112,689,435.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,598,254.76 : 419,397,160.70 = 75,126,330.01 : x
  2. Step 2: Convert to fraction form
    279,598,254.76/419,397,160.70 = 75,126,330.01/x
  3. Step 3: Cross multiply
    279,598,254.76x = 419,397,160.70 × 75,126,330.01
  4. Step 4: Simplify right side
    279,598,254.76x = 31,507,769,498,147,048
  5. Step 5: Solve for x
    x = 31,507,769,498,147,048/279,598,254.76
  6. Step 6: Final answer
    x = 112,689,435.51

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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.