Home / 75,698,922.30-113,546,745.56-21,110,053.66

Finding the Fourth Proportional to 75,698,922.30, 113,546,745.56 and 21,110,053.66

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Solution

The fourth proportional to 75,698,922.30, 113,546,745.56 and 21,110,053.66 is: 31,664,623.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,698,922.30 : 113,546,745.56 = 21,110,053.66 : x
  2. Step 2: Convert to fraction form
    75,698,922.30/113,546,745.56 = 21,110,053.66/x
  3. Step 3: Cross multiply
    75,698,922.30x = 113,546,745.56 × 21,110,053.66
  4. Step 4: Simplify right side
    75,698,922.30x = 2,396,977,891,689,967
  5. Step 5: Solve for x
    x = 2,396,977,891,689,967/75,698,922.30
  6. Step 6: Final answer
    x = 31,664,623.73

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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.