Home / 279,099,350.40-418,649,025.60-181,526,782.80

Finding the Fourth Proportional to 279,099,350.40, 418,649,025.60 and 181,526,782.80

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Solution

The fourth proportional to 279,099,350.40, 418,649,025.60 and 181,526,782.80 is: 272,290,174.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,099,350.40 : 418,649,025.60 = 181,526,782.80 : x
  2. Step 2: Convert to fraction form
    279,099,350.40/418,649,025.60 = 181,526,782.80/x
  3. Step 3: Cross multiply
    279,099,350.40x = 418,649,025.60 × 181,526,782.80
  4. Step 4: Simplify right side
    279,099,350.40x = 75,996,010,739,522,848
  5. Step 5: Solve for x
    x = 75,996,010,739,522,848/279,099,350.40
  6. Step 6: Final answer
    x = 272,290,174.20

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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.