Home / 66,449,940.41-91,700,935.90-36,680,606.57

Finding the Fourth Proportional to 66,449,940.41, 91,700,935.90 and 36,680,606.57

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Solution

The fourth proportional to 66,449,940.41, 91,700,935.90 and 36,680,606.57 is: 50,619,247.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,449,940.41 : 91,700,935.90 = 36,680,606.57 : x
  2. Step 2: Convert to fraction form
    66,449,940.41/91,700,935.90 = 36,680,606.57/x
  3. Step 3: Cross multiply
    66,449,940.41x = 91,700,935.90 × 36,680,606.57
  4. Step 4: Simplify right side
    66,449,940.41x = 3,363,645,951,986,239.50
  5. Step 5: Solve for x
    x = 3,363,645,951,986,239.50/66,449,940.41
  6. Step 6: Final answer
    x = 50,619,247.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.