Home / 187,010,162.80-280,515,244.20-105,380,825.20

Finding the Fourth Proportional to 187,010,162.80, 280,515,244.20 and 105,380,825.20

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Solution

The fourth proportional to 187,010,162.80, 280,515,244.20 and 105,380,825.20 is: 158,071,237.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,010,162.80 : 280,515,244.20 = 105,380,825.20 : x
  2. Step 2: Convert to fraction form
    187,010,162.80/280,515,244.20 = 105,380,825.20/x
  3. Step 3: Cross multiply
    187,010,162.80x = 280,515,244.20 × 105,380,825.20
  4. Step 4: Simplify right side
    187,010,162.80x = 29,560,927,914,975,512
  5. Step 5: Solve for x
    x = 29,560,927,914,975,512/187,010,162.80
  6. Step 6: Final answer
    x = 158,071,237.80

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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.