Home / 79,859,142.60-110,205,690.84-43,189,713.60

Finding the Fourth Proportional to 79,859,142.60, 110,205,690.84 and 43,189,713.60

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Solution

The fourth proportional to 79,859,142.60, 110,205,690.84 and 43,189,713.60 is: 59,601,844.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,859,142.60 : 110,205,690.84 = 43,189,713.60 : x
  2. Step 2: Convert to fraction form
    79,859,142.60/110,205,690.84 = 43,189,713.60/x
  3. Step 3: Cross multiply
    79,859,142.60x = 110,205,690.84 × 43,189,713.60
  4. Step 4: Simplify right side
    79,859,142.60x = 4,759,752,224,469,744
  5. Step 5: Solve for x
    x = 4,759,752,224,469,744/79,859,142.60
  6. Step 6: Final answer
    x = 59,601,844.82

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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.