Home / 187,002,188.80-280,503,283.20-105,372,851.20

Finding the Fourth Proportional to 187,002,188.80, 280,503,283.20 and 105,372,851.20

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Solution

The fourth proportional to 187,002,188.80, 280,503,283.20 and 105,372,851.20 is: 158,059,276.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,002,188.80 : 280,503,283.20 = 105,372,851.20 : x
  2. Step 2: Convert to fraction form
    187,002,188.80/280,503,283.20 = 105,372,851.20/x
  3. Step 3: Cross multiply
    187,002,188.80x = 280,503,283.20 × 105,372,851.20
  4. Step 4: Simplify right side
    187,002,188.80x = 29,557,430,721,745,060
  5. Step 5: Solve for x
    x = 29,557,430,721,745,060/187,002,188.80
  6. Step 6: Final answer
    x = 158,059,276.80

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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.