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Finding the Fourth Proportional to 68,307,392.96, 102,453,516.96 and 17,189,425.60

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Solution

The fourth proportional to 68,307,392.96, 102,453,516.96 and 17,189,425.60 is: 25,782,232.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,307,392.96 : 102,453,516.96 = 17,189,425.60 : x
  2. Step 2: Convert to fraction form
    68,307,392.96/102,453,516.96 = 17,189,425.60/x
  3. Step 3: Cross multiply
    68,307,392.96x = 102,453,516.96 × 17,189,425.60
  4. Step 4: Simplify right side
    68,307,392.96x = 1,761,117,107,242,258.25
  5. Step 5: Solve for x
    x = 1,761,117,107,242,258.25/68,307,392.96
  6. Step 6: Final answer
    x = 25,782,232.80

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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.