Home / 80,848,490.20-121,277,984.10-42,584,738.20

Finding the Fourth Proportional to 80,848,490.20, 121,277,984.10 and 42,584,738.20

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Solution

The fourth proportional to 80,848,490.20, 121,277,984.10 and 42,584,738.20 is: 63,879,871.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,848,490.20 : 121,277,984.10 = 42,584,738.20 : x
  2. Step 2: Convert to fraction form
    80,848,490.20/121,277,984.10 = 42,584,738.20/x
  3. Step 3: Cross multiply
    80,848,490.20x = 121,277,984.10 × 42,584,738.20
  4. Step 4: Simplify right side
    80,848,490.20x = 5,164,591,202,322,263
  5. Step 5: Solve for x
    x = 5,164,591,202,322,263/80,848,490.20
  6. Step 6: Final answer
    x = 63,879,871.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.