Home / 279,910,827.20-419,558,311.20-98,064,401.60

Finding the Fourth Proportional to 279,910,827.20, 419,558,311.20 and 98,064,401.60

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Solution

The fourth proportional to 279,910,827.20, 419,558,311.20 and 98,064,401.60 is: 146,988,721.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,910,827.20 : 419,558,311.20 = 98,064,401.60 : x
  2. Step 2: Convert to fraction form
    279,910,827.20/419,558,311.20 = 98,064,401.60/x
  3. Step 3: Cross multiply
    279,910,827.20x = 419,558,311.20 × 98,064,401.60
  4. Step 4: Simplify right side
    279,910,827.20x = 41,143,734,724,134,576
  5. Step 5: Solve for x
    x = 41,143,734,724,134,576/279,910,827.20
  6. Step 6: Final answer
    x = 146,988,721.86

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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.