Home / 65,951,081.22-91,010,736.09-38,072,850.60

Finding the Fourth Proportional to 65,951,081.22, 91,010,736.09 and 38,072,850.60

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Solution

The fourth proportional to 65,951,081.22, 91,010,736.09 and 38,072,850.60 is: 52,539,520.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,951,081.22 : 91,010,736.09 = 38,072,850.60 : x
  2. Step 2: Convert to fraction form
    65,951,081.22/91,010,736.09 = 38,072,850.60/x
  3. Step 3: Cross multiply
    65,951,081.22x = 91,010,736.09 × 38,072,850.60
  4. Step 4: Simplify right side
    65,951,081.22x = 3,465,038,158,150,598.50
  5. Step 5: Solve for x
    x = 3,465,038,158,150,598.50/65,951,081.22
  6. Step 6: Final answer
    x = 52,539,520.11

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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.