Home / 324,769,846.80-487,154,770.20-82,432,750.80

Finding the Fourth Proportional to 324,769,846.80, 487,154,770.20 and 82,432,750.80

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Solution

The fourth proportional to 324,769,846.80, 487,154,770.20 and 82,432,750.80 is: 123,649,126.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,769,846.80 : 487,154,770.20 = 82,432,750.80 : x
  2. Step 2: Convert to fraction form
    324,769,846.80/487,154,770.20 = 82,432,750.80/x
  3. Step 3: Cross multiply
    324,769,846.80x = 487,154,770.20 × 82,432,750.80
  4. Step 4: Simplify right side
    324,769,846.80x = 40,157,507,772,927,864
  5. Step 5: Solve for x
    x = 40,157,507,772,927,864/324,769,846.80
  6. Step 6: Final answer
    x = 123,649,126.20

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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.