Home / 79,097,471.26-109,155,383.38-43,815,816.78

Finding the Fourth Proportional to 79,097,471.26, 109,155,383.38 and 43,815,816.78

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Solution

The fourth proportional to 79,097,471.26, 109,155,383.38 and 43,815,816.78 is: 60,466,310.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,097,471.26 : 109,155,383.38 = 43,815,816.78 : x
  2. Step 2: Convert to fraction form
    79,097,471.26/109,155,383.38 = 43,815,816.78/x
  3. Step 3: Cross multiply
    79,097,471.26x = 109,155,383.38 × 43,815,816.78
  4. Step 4: Simplify right side
    79,097,471.26x = 4,782,732,278,374,174
  5. Step 5: Solve for x
    x = 4,782,732,278,374,174/79,097,471.26
  6. Step 6: Final answer
    x = 60,466,310.77

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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.