Home / 253,015,822.16-379,449,281.60-114,761,445.20

Finding the Fourth Proportional to 253,015,822.16, 379,449,281.60 and 114,761,445.20

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Solution

The fourth proportional to 253,015,822.16, 379,449,281.60 and 114,761,445.20 is: 172,108,398.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,015,822.16 : 379,449,281.60 = 114,761,445.20 : x
  2. Step 2: Convert to fraction form
    253,015,822.16/379,449,281.60 = 114,761,445.20/x
  3. Step 3: Cross multiply
    253,015,822.16x = 379,449,281.60 × 114,761,445.20
  4. Step 4: Simplify right side
    253,015,822.16x = 43,546,147,936,517,776
  5. Step 5: Solve for x
    x = 43,546,147,936,517,776/253,015,822.16
  6. Step 6: Final answer
    x = 172,108,398.46

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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.