Home / 66,431,952.40-99,647,928.60-40,789,814.80

Finding the Fourth Proportional to 66,431,952.40, 99,647,928.60 and 40,789,814.80

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Solution

The fourth proportional to 66,431,952.40, 99,647,928.60 and 40,789,814.80 is: 61,184,722.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,431,952.40 : 99,647,928.60 = 40,789,814.80 : x
  2. Step 2: Convert to fraction form
    66,431,952.40/99,647,928.60 = 40,789,814.80/x
  3. Step 3: Cross multiply
    66,431,952.40x = 99,647,928.60 × 40,789,814.80
  4. Step 4: Simplify right side
    66,431,952.40x = 4,064,620,552,797,622.50
  5. Step 5: Solve for x
    x = 4,064,620,552,797,622.50/66,431,952.40
  6. Step 6: Final answer
    x = 61,184,722.20

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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.