Home / 124,982,408.80-187,445,619.60-82,152,200.80

Finding the Fourth Proportional to 124,982,408.80, 187,445,619.60 and 82,152,200.80

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Solution

The fourth proportional to 124,982,408.80, 187,445,619.60 and 82,152,200.80 is: 123,209,900.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,982,408.80 : 187,445,619.60 = 82,152,200.80 : x
  2. Step 2: Convert to fraction form
    124,982,408.80/187,445,619.60 = 82,152,200.80/x
  3. Step 3: Cross multiply
    124,982,408.80x = 187,445,619.60 × 82,152,200.80
  4. Step 4: Simplify right side
    124,982,408.80x = 15,399,070,180,459,614
  5. Step 5: Solve for x
    x = 15,399,070,180,459,614/124,982,408.80
  6. Step 6: Final answer
    x = 123,209,900.72

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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.