Home / 66,067,214.40-99,100,821.60-49,061,102.40

Finding the Fourth Proportional to 66,067,214.40, 99,100,821.60 and 49,061,102.40

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Solution

The fourth proportional to 66,067,214.40, 99,100,821.60 and 49,061,102.40 is: 73,591,653.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,067,214.40 : 99,100,821.60 = 49,061,102.40 : x
  2. Step 2: Convert to fraction form
    66,067,214.40/99,100,821.60 = 49,061,102.40/x
  3. Step 3: Cross multiply
    66,067,214.40x = 99,100,821.60 × 49,061,102.40
  4. Step 4: Simplify right side
    66,067,214.40x = 4,861,995,556,441,731
  5. Step 5: Solve for x
    x = 4,861,995,556,441,731/66,067,214.40
  6. Step 6: Final answer
    x = 73,591,653.60

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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.