Home / 61,642,005.21-85,065,754.91-35,536,398.57

Finding the Fourth Proportional to 61,642,005.21, 85,065,754.91 and 35,536,398.57

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Solution

The fourth proportional to 61,642,005.21, 85,065,754.91 and 35,536,398.57 is: 49,040,107.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,642,005.21 : 85,065,754.91 = 35,536,398.57 : x
  2. Step 2: Convert to fraction form
    61,642,005.21/85,065,754.91 = 35,536,398.57/x
  3. Step 3: Cross multiply
    61,642,005.21x = 85,065,754.91 × 35,536,398.57
  4. Step 4: Simplify right side
    61,642,005.21x = 3,022,930,570,962,012.50
  5. Step 5: Solve for x
    x = 3,022,930,570,962,012.50/61,642,005.21
  6. Step 6: Final answer
    x = 49,040,107.65

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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.