Home / 67,002,999.66-92,475,109.08-55,821,761.28

Finding the Fourth Proportional to 67,002,999.66, 92,475,109.08 and 55,821,761.28

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Solution

The fourth proportional to 67,002,999.66, 92,475,109.08 and 55,821,761.28 is: 77,043,169.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,002,999.66 : 92,475,109.08 = 55,821,761.28 : x
  2. Step 2: Convert to fraction form
    67,002,999.66/92,475,109.08 = 55,821,761.28/x
  3. Step 3: Cross multiply
    67,002,999.66x = 92,475,109.08 × 55,821,761.28
  4. Step 4: Simplify right side
    67,002,999.66x = 5,162,123,463,405,720
  5. Step 5: Solve for x
    x = 5,162,123,463,405,720/67,002,999.66
  6. Step 6: Final answer
    x = 77,043,169.55

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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.