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Finding the Fourth Proportional to 416,887,740.54, 625,336,932.57 and 110,177,203.50

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Solution

The fourth proportional to 416,887,740.54, 625,336,932.57 and 110,177,203.50 is: 165,267,211.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,887,740.54 : 625,336,932.57 = 110,177,203.50 : x
  2. Step 2: Convert to fraction form
    416,887,740.54/625,336,932.57 = 110,177,203.50/x
  3. Step 3: Cross multiply
    416,887,740.54x = 625,336,932.57 × 110,177,203.50
  4. Step 4: Simplify right side
    416,887,740.54x = 68,897,874,475,830,672
  5. Step 5: Solve for x
    x = 68,897,874,475,830,672/416,887,740.54
  6. Step 6: Final answer
    x = 165,267,211.71

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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.