Home / 66,505,836.40-99,758,754.60-64,515,180.40

Finding the Fourth Proportional to 66,505,836.40, 99,758,754.60 and 64,515,180.40

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Solution

The fourth proportional to 66,505,836.40, 99,758,754.60 and 64,515,180.40 is: 96,772,770.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,505,836.40 : 99,758,754.60 = 64,515,180.40 : x
  2. Step 2: Convert to fraction form
    66,505,836.40/99,758,754.60 = 64,515,180.40/x
  3. Step 3: Cross multiply
    66,505,836.40x = 99,758,754.60 × 64,515,180.40
  4. Step 4: Simplify right side
    66,505,836.40x = 6,435,954,049,498,329
  5. Step 5: Solve for x
    x = 6,435,954,049,498,329/66,505,836.40
  6. Step 6: Final answer
    x = 96,772,770.60

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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.