Home / 113,746,879.38-156,975,144.03-66,697,413.78

Finding the Fourth Proportional to 113,746,879.38, 156,975,144.03 and 66,697,413.78

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Solution

The fourth proportional to 113,746,879.38, 156,975,144.03 and 66,697,413.78 is: 92,045,040.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,746,879.38 : 156,975,144.03 = 66,697,413.78 : x
  2. Step 2: Convert to fraction form
    113,746,879.38/156,975,144.03 = 66,697,413.78/x
  3. Step 3: Cross multiply
    113,746,879.38x = 156,975,144.03 × 66,697,413.78
  4. Step 4: Simplify right side
    113,746,879.38x = 10,469,836,134,544,008
  5. Step 5: Solve for x
    x = 10,469,836,134,544,008/113,746,879.38
  6. Step 6: Final answer
    x = 92,045,040.63

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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.