Home / 139,694,062.25-192,782,176.76-80,166,248.66

Finding the Fourth Proportional to 139,694,062.25, 192,782,176.76 and 80,166,248.66

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Solution

The fourth proportional to 139,694,062.25, 192,782,176.76 and 80,166,248.66 is: 110,631,931.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,694,062.25 : 192,782,176.76 = 80,166,248.66 : x
  2. Step 2: Convert to fraction form
    139,694,062.25/192,782,176.76 = 80,166,248.66/x
  3. Step 3: Cross multiply
    139,694,062.25x = 192,782,176.76 × 80,166,248.66
  4. Step 4: Simplify right side
    139,694,062.25x = 15,454,623,920,040,602
  5. Step 5: Solve for x
    x = 15,454,623,920,040,602/139,694,062.25
  6. Step 6: Final answer
    x = 110,631,931.46

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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.