Home / 66,268,741.12-91,449,990.75-36,498,817.51

Finding the Fourth Proportional to 66,268,741.12, 91,449,990.75 and 36,498,817.51

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Solution

The fourth proportional to 66,268,741.12, 91,449,990.75 and 36,498,817.51 is: 50,367,887.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,268,741.12 : 91,449,990.75 = 36,498,817.51 : x
  2. Step 2: Convert to fraction form
    66,268,741.12/91,449,990.75 = 36,498,817.51/x
  3. Step 3: Cross multiply
    66,268,741.12x = 91,449,990.75 × 36,498,817.51
  4. Step 4: Simplify right side
    66,268,741.12x = 3,337,816,523,675,438
  5. Step 5: Solve for x
    x = 3,337,816,523,675,438/66,268,741.12
  6. Step 6: Final answer
    x = 50,367,887.90

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.