Home / 187,535,261.20-281,302,891.80-51,220,644.70

Finding the Fourth Proportional to 187,535,261.20, 281,302,891.80 and 51,220,644.70

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Solution

The fourth proportional to 187,535,261.20, 281,302,891.80 and 51,220,644.70 is: 76,830,967.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,535,261.20 : 281,302,891.80 = 51,220,644.70 : x
  2. Step 2: Convert to fraction form
    187,535,261.20/281,302,891.80 = 51,220,644.70/x
  3. Step 3: Cross multiply
    187,535,261.20x = 281,302,891.80 × 51,220,644.70
  4. Step 4: Simplify right side
    187,535,261.20x = 14,408,515,473,970,344
  5. Step 5: Solve for x
    x = 14,408,515,473,970,344/187,535,261.20
  6. Step 6: Final answer
    x = 76,830,967.05

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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.