Home / 80,210,542.40-110,690,240.16-43,540,792.64

Finding the Fourth Proportional to 80,210,542.40, 110,690,240.16 and 43,540,792.64

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Solution

The fourth proportional to 80,210,542.40, 110,690,240.16 and 43,540,792.64 is: 60,086,126.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,210,542.40 : 110,690,240.16 = 43,540,792.64 : x
  2. Step 2: Convert to fraction form
    80,210,542.40/110,690,240.16 = 43,540,792.64/x
  3. Step 3: Cross multiply
    80,210,542.40x = 110,690,240.16 × 43,540,792.64
  4. Step 4: Simplify right side
    80,210,542.40x = 4,819,540,794,078,360
  5. Step 5: Solve for x
    x = 4,819,540,794,078,360/80,210,542.40
  6. Step 6: Final answer
    x = 60,086,126.46

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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.