Home / 87,662,000.80-120,977,127.12-48,503,140.48

Finding the Fourth Proportional to 87,662,000.80, 120,977,127.12 and 48,503,140.48

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Solution

The fourth proportional to 87,662,000.80, 120,977,127.12 and 48,503,140.48 is: 66,936,306.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,662,000.80 : 120,977,127.12 = 48,503,140.48 : x
  2. Step 2: Convert to fraction form
    87,662,000.80/120,977,127.12 = 48,503,140.48/x
  3. Step 3: Cross multiply
    87,662,000.80x = 120,977,127.12 × 48,503,140.48
  4. Step 4: Simplify right side
    87,662,000.80x = 5,867,770,591,568,178
  5. Step 5: Solve for x
    x = 5,867,770,591,568,178/87,662,000.80
  6. Step 6: Final answer
    x = 66,936,306.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.