Home / 66,504,276.40-99,756,414.60-64,513,620.40

Finding the Fourth Proportional to 66,504,276.40, 99,756,414.60 and 64,513,620.40

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Solution

The fourth proportional to 66,504,276.40, 99,756,414.60 and 64,513,620.40 is: 96,770,430.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,504,276.40 : 99,756,414.60 = 64,513,620.40 : x
  2. Step 2: Convert to fraction form
    66,504,276.40/99,756,414.60 = 64,513,620.40/x
  3. Step 3: Cross multiply
    66,504,276.40x = 99,756,414.60 × 64,513,620.40
  4. Step 4: Simplify right side
    66,504,276.40x = 6,435,647,463,969,417
  5. Step 5: Solve for x
    x = 6,435,647,463,969,417/66,504,276.40
  6. Step 6: Final answer
    x = 96,770,430.60

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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.