Home / 80,743,928.91-111,425,200.20-45,935,877.48

Finding the Fourth Proportional to 80,743,928.91, 111,425,200.20 and 45,935,877.48

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Solution

The fourth proportional to 80,743,928.91, 111,425,200.20 and 45,935,877.48 is: 63,390,702.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,743,928.91 : 111,425,200.20 = 45,935,877.48 : x
  2. Step 2: Convert to fraction form
    80,743,928.91/111,425,200.20 = 45,935,877.48/x
  3. Step 3: Cross multiply
    80,743,928.91x = 111,425,200.20 × 45,935,877.48
  4. Step 4: Simplify right side
    80,743,928.91x = 5,118,414,344,571,671
  5. Step 5: Solve for x
    x = 5,118,414,344,571,671/80,743,928.91
  6. Step 6: Final answer
    x = 63,390,702.11

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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.