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Finding the Fourth Proportional to 112,339,696.40, 168,509,544.60 and 44,159,728.40

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Solution

The fourth proportional to 112,339,696.40, 168,509,544.60 and 44,159,728.40 is: 66,239,592.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,339,696.40 : 168,509,544.60 = 44,159,728.40 : x
  2. Step 2: Convert to fraction form
    112,339,696.40/168,509,544.60 = 44,159,728.40/x
  3. Step 3: Cross multiply
    112,339,696.40x = 168,509,544.60 × 44,159,728.40
  4. Step 4: Simplify right side
    112,339,696.40x = 7,441,335,722,343,686
  5. Step 5: Solve for x
    x = 7,441,335,722,343,686/112,339,696.40
  6. Step 6: Final answer
    x = 66,239,592.60

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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.