Home / 80,178,551.39-110,646,400.92-43,509,122.39

Finding the Fourth Proportional to 80,178,551.39, 110,646,400.92 and 43,509,122.39

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Solution

The fourth proportional to 80,178,551.39, 110,646,400.92 and 43,509,122.39 is: 60,042,588.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,178,551.39 : 110,646,400.92 = 43,509,122.39 : x
  2. Step 2: Convert to fraction form
    80,178,551.39/110,646,400.92 = 43,509,122.39/x
  3. Step 3: Cross multiply
    80,178,551.39x = 110,646,400.92 × 43,509,122.39
  4. Step 4: Simplify right side
    80,178,551.39x = 4,814,127,799,641,289
  5. Step 5: Solve for x
    x = 4,814,127,799,641,289/80,178,551.39
  6. Step 6: Final answer
    x = 60,042,588.90

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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.