Home / 324,769,830.30-487,154,745.45-82,432,734.30

Finding the Fourth Proportional to 324,769,830.30, 487,154,745.45 and 82,432,734.30

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Solution

The fourth proportional to 324,769,830.30, 487,154,745.45 and 82,432,734.30 is: 123,649,101.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,769,830.30 : 487,154,745.45 = 82,432,734.30 : x
  2. Step 2: Convert to fraction form
    324,769,830.30/487,154,745.45 = 82,432,734.30/x
  3. Step 3: Cross multiply
    324,769,830.30x = 487,154,745.45 × 82,432,734.30
  4. Step 4: Simplify right side
    324,769,830.30x = 40,157,497,694,663,984
  5. Step 5: Solve for x
    x = 40,157,497,694,663,984/324,769,830.30
  6. Step 6: Final answer
    x = 123,649,101.45

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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.