Home / 80,265,631.30-110,764,687.16-47,228,020.30

Finding the Fourth Proportional to 80,265,631.30, 110,764,687.16 and 47,228,020.30

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Solution

The fourth proportional to 80,265,631.30, 110,764,687.16 and 47,228,020.30 is: 65,173,559.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,265,631.30 : 110,764,687.16 = 47,228,020.30 : x
  2. Step 2: Convert to fraction form
    80,265,631.30/110,764,687.16 = 47,228,020.30/x
  3. Step 3: Cross multiply
    80,265,631.30x = 110,764,687.16 × 47,228,020.30
  4. Step 4: Simplify right side
    80,265,631.30x = 5,231,196,893,715,629
  5. Step 5: Solve for x
    x = 5,231,196,893,715,629/80,265,631.30
  6. Step 6: Final answer
    x = 65,173,559.45

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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.