Home / 66,510,067.70-99,765,101.55-43,816,589.30

Finding the Fourth Proportional to 66,510,067.70, 99,765,101.55 and 43,816,589.30

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Solution

The fourth proportional to 66,510,067.70, 99,765,101.55 and 43,816,589.30 is: 65,724,883.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,510,067.70 : 99,765,101.55 = 43,816,589.30 : x
  2. Step 2: Convert to fraction form
    66,510,067.70/99,765,101.55 = 43,816,589.30/x
  3. Step 3: Cross multiply
    66,510,067.70x = 99,765,101.55 × 43,816,589.30
  4. Step 4: Simplify right side
    66,510,067.70x = 4,371,366,481,089,143
  5. Step 5: Solve for x
    x = 4,371,366,481,089,143/66,510,067.70
  6. Step 6: Final answer
    x = 65,724,883.95

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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.