Home / 79,951,814.08-110,333,540.40-43,282,385.12

Finding the Fourth Proportional to 79,951,814.08, 110,333,540.40 and 43,282,385.12

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Solution

The fourth proportional to 79,951,814.08, 110,333,540.40 and 43,282,385.12 is: 59,729,711.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,951,814.08 : 110,333,540.40 = 43,282,385.12 : x
  2. Step 2: Convert to fraction form
    79,951,814.08/110,333,540.40 = 43,282,385.12/x
  3. Step 3: Cross multiply
    79,951,814.08x = 110,333,540.40 × 43,282,385.12
  4. Step 4: Simplify right side
    79,951,814.08x = 4,775,498,787,245,879
  5. Step 5: Solve for x
    x = 4,775,498,787,245,879/79,951,814.08
  6. Step 6: Final answer
    x = 59,729,711.48

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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.