Home / 254,984,010.20-382,476,015.30-82,584,549.80

Finding the Fourth Proportional to 254,984,010.20, 382,476,015.30 and 82,584,549.80

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Solution

The fourth proportional to 254,984,010.20, 382,476,015.30 and 82,584,549.80 is: 123,876,824.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,984,010.20 : 382,476,015.30 = 82,584,549.80 : x
  2. Step 2: Convert to fraction form
    254,984,010.20/382,476,015.30 = 82,584,549.80/x
  3. Step 3: Cross multiply
    254,984,010.20x = 382,476,015.30 × 82,584,549.80
  4. Step 4: Simplify right side
    254,984,010.20x = 31,586,609,532,848,412
  5. Step 5: Solve for x
    x = 31,586,609,532,848,412/254,984,010.20
  6. Step 6: Final answer
    x = 123,876,824.70

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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.