Home / 139,694,061.76-192,782,176.08-80,166,248.16

Finding the Fourth Proportional to 139,694,061.76, 192,782,176.08 and 80,166,248.16

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Solution

The fourth proportional to 139,694,061.76, 192,782,176.08 and 80,166,248.16 is: 110,631,930.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,694,061.76 : 192,782,176.08 = 80,166,248.16 : x
  2. Step 2: Convert to fraction form
    139,694,061.76/192,782,176.08 = 80,166,248.16/x
  3. Step 3: Cross multiply
    139,694,061.76x = 192,782,176.08 × 80,166,248.16
  4. Step 4: Simplify right side
    139,694,061.76x = 15,454,623,768,454,096
  5. Step 5: Solve for x
    x = 15,454,623,768,454,096/139,694,061.76
  6. Step 6: Final answer
    x = 110,631,930.76

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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.