Home / 66,519,143.60-99,722,728.20-34,606,439.60

Finding the Fourth Proportional to 66,519,143.60, 99,722,728.20 and 34,606,439.60

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Solution

The fourth proportional to 66,519,143.60, 99,722,728.20 and 34,606,439.60 is: 51,880,532.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,519,143.60 : 99,722,728.20 = 34,606,439.60 : x
  2. Step 2: Convert to fraction form
    66,519,143.60/99,722,728.20 = 34,606,439.60/x
  3. Step 3: Cross multiply
    66,519,143.60x = 99,722,728.20 × 34,606,439.60
  4. Step 4: Simplify right side
    66,519,143.60x = 3,451,048,570,200,517
  5. Step 5: Solve for x
    x = 3,451,048,570,200,517/66,519,143.60
  6. Step 6: Final answer
    x = 51,880,532.18

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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.