Home / 82,001,964,028.42-122,868,625,060.65-43,672,491,570.48

Finding the Fourth Proportional to 82,001,964,028.42, 122,868,625,060.65 and 43,672,491,570.48

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Solution

The fourth proportional to 82,001,964,028.42, 122,868,625,060.65 and 43,672,491,570.48 is: 65,437,200,874.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,001,964,028.42 : 122,868,625,060.65 = 43,672,491,570.48 : x
  2. Step 2: Convert to fraction form
    82,001,964,028.42/122,868,625,060.65 = 43,672,491,570.48/x
  3. Step 3: Cross multiply
    82,001,964,028.42x = 122,868,625,060.65 × 43,672,491,570.48
  4. Step 4: Simplify right side
    82,001,964,028.42x = 5,365,978,992,237,705,428,992
  5. Step 5: Solve for x
    x = 5,365,978,992,237,705,428,992/82,001,964,028.42
  6. Step 6: Final answer
    x = 65,437,200,874.58

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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.