Home / 75,422,642.22-113,087,662.74-29,310,669.72

Finding the Fourth Proportional to 75,422,642.22, 113,087,662.74 and 29,310,669.72

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Solution

The fourth proportional to 75,422,642.22, 113,087,662.74 and 29,310,669.72 is: 43,948,011.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,422,642.22 : 113,087,662.74 = 29,310,669.72 : x
  2. Step 2: Convert to fraction form
    75,422,642.22/113,087,662.74 = 29,310,669.72/x
  3. Step 3: Cross multiply
    75,422,642.22x = 113,087,662.74 × 29,310,669.72
  4. Step 4: Simplify right side
    75,422,642.22x = 3,314,675,131,978,890
  5. Step 5: Solve for x
    x = 3,314,675,131,978,890/75,422,642.22
  6. Step 6: Final answer
    x = 43,948,011.29

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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.