Home / 279,099,376.40-418,649,064.60-181,526,808.80

Finding the Fourth Proportional to 279,099,376.40, 418,649,064.60 and 181,526,808.80

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Solution

The fourth proportional to 279,099,376.40, 418,649,064.60 and 181,526,808.80 is: 272,290,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,099,376.40 : 418,649,064.60 = 181,526,808.80 : x
  2. Step 2: Convert to fraction form
    279,099,376.40/418,649,064.60 = 181,526,808.80/x
  3. Step 3: Cross multiply
    279,099,376.40x = 418,649,064.60 × 181,526,808.80
  4. Step 4: Simplify right side
    279,099,376.40x = 75,996,028,703,943,056
  5. Step 5: Solve for x
    x = 75,996,028,703,943,056/279,099,376.40
  6. Step 6: Final answer
    x = 272,290,213.20

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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.