Home / 66,541,849.20-92,297,540.32-64,772,150.64

Finding the Fourth Proportional to 66,541,849.20, 92,297,540.32 and 64,772,150.64

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Solution

The fourth proportional to 66,541,849.20, 92,297,540.32 and 64,772,150.64 is: 89,842,862.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,541,849.20 : 92,297,540.32 = 64,772,150.64 : x
  2. Step 2: Convert to fraction form
    66,541,849.20/92,297,540.32 = 64,772,150.64/x
  3. Step 3: Cross multiply
    66,541,849.20x = 92,297,540.32 × 64,772,150.64
  4. Step 4: Simplify right side
    66,541,849.20x = 5,978,310,185,308,513
  5. Step 5: Solve for x
    x = 5,978,310,185,308,513/66,541,849.20
  6. Step 6: Final answer
    x = 89,842,862.16

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.