Home / 78,493,090.20-117,744,884.10-26,676,936.60

Finding the Fourth Proportional to 78,493,090.20, 117,744,884.10 and 26,676,936.60

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Solution

The fourth proportional to 78,493,090.20, 117,744,884.10 and 26,676,936.60 is: 40,017,188.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,493,090.20 : 117,744,884.10 = 26,676,936.60 : x
  2. Step 2: Convert to fraction form
    78,493,090.20/117,744,884.10 = 26,676,936.60/x
  3. Step 3: Cross multiply
    78,493,090.20x = 117,744,884.10 × 26,676,936.60
  4. Step 4: Simplify right side
    78,493,090.20x = 3,141,072,808,110,048
  5. Step 5: Solve for x
    x = 3,141,072,808,110,048/78,493,090.20
  6. Step 6: Final answer
    x = 40,017,188.78

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.