Home / 80,930,657.52-111,684,228.64-43,760,848.79

Finding the Fourth Proportional to 80,930,657.52, 111,684,228.64 and 43,760,848.79

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Solution

The fourth proportional to 80,930,657.52, 111,684,228.64 and 43,760,848.79 is: 60,389,928.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,930,657.52 : 111,684,228.64 = 43,760,848.79 : x
  2. Step 2: Convert to fraction form
    80,930,657.52/111,684,228.64 = 43,760,848.79/x
  3. Step 3: Cross multiply
    80,930,657.52x = 111,684,228.64 × 43,760,848.79
  4. Step 4: Simplify right side
    80,930,657.52x = 4,887,396,641,912,636
  5. Step 5: Solve for x
    x = 4,887,396,641,912,636/80,930,657.52
  6. Step 6: Final answer
    x = 60,389,928.76

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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.