Home / 161,891,363.43-223,410,750.03-87,551,922.36

Finding the Fourth Proportional to 161,891,363.43, 223,410,750.03 and 87,551,922.36

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Solution

The fourth proportional to 161,891,363.43, 223,410,750.03 and 87,551,922.36 is: 120,822,014.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,891,363.43 : 223,410,750.03 = 87,551,922.36 : x
  2. Step 2: Convert to fraction form
    161,891,363.43/223,410,750.03 = 87,551,922.36/x
  3. Step 3: Cross multiply
    161,891,363.43x = 223,410,750.03 × 87,551,922.36
  4. Step 4: Simplify right side
    161,891,363.43x = 19,560,040,641,015,928
  5. Step 5: Solve for x
    x = 19,560,040,641,015,928/161,891,363.43
  6. Step 6: Final answer
    x = 120,822,014.38

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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.