Home / 139,230,330.03-192,126,608.75-80,496,780.86

Finding the Fourth Proportional to 139,230,330.03, 192,126,608.75 and 80,496,780.86

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Solution

The fourth proportional to 139,230,330.03, 192,126,608.75 and 80,496,780.86 is: 111,079,055.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,230,330.03 : 192,126,608.75 = 80,496,780.86 : x
  2. Step 2: Convert to fraction form
    139,230,330.03/192,126,608.75 = 80,496,780.86/x
  3. Step 3: Cross multiply
    139,230,330.03x = 192,126,608.75 × 80,496,780.86
  4. Step 4: Simplify right side
    139,230,330.03x = 15,465,573,521,368,538
  5. Step 5: Solve for x
    x = 15,465,573,521,368,538/139,230,330.03
  6. Step 6: Final answer
    x = 111,079,055.25

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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.