Home / 71,542,504.80-107,349,186.60-40,860,644.40

Finding the Fourth Proportional to 71,542,504.80, 107,349,186.60 and 40,860,644.40

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Solution

The fourth proportional to 71,542,504.80, 107,349,186.60 and 40,860,644.40 is: 61,311,201.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,542,504.80 : 107,349,186.60 = 40,860,644.40 : x
  2. Step 2: Convert to fraction form
    71,542,504.80/107,349,186.60 = 40,860,644.40/x
  3. Step 3: Cross multiply
    71,542,504.80x = 107,349,186.60 × 40,860,644.40
  4. Step 4: Simplify right side
    71,542,504.80x = 4,386,356,940,291,844.50
  5. Step 5: Solve for x
    x = 4,386,356,940,291,844.50/71,542,504.80
  6. Step 6: Final answer
    x = 61,311,201.68

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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.