Home / 140,441,542.82-193,809,647.95-77,722,204.60

Finding the Fourth Proportional to 140,441,542.82, 193,809,647.95 and 77,722,204.60

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Solution

The fourth proportional to 140,441,542.82, 193,809,647.95 and 77,722,204.60 is: 107,256,818.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,441,542.82 : 193,809,647.95 = 77,722,204.60 : x
  2. Step 2: Convert to fraction form
    140,441,542.82/193,809,647.95 = 77,722,204.60/x
  3. Step 3: Cross multiply
    140,441,542.82x = 193,809,647.95 × 77,722,204.60
  4. Step 4: Simplify right side
    140,441,542.82x = 15,063,313,111,423,868
  5. Step 5: Solve for x
    x = 15,063,313,111,423,868/140,441,542.82
  6. Step 6: Final answer
    x = 107,256,818.81

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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.