Home / 213,568,363.70-320,352,545.55-116,486,558.90

Finding the Fourth Proportional to 213,568,363.70, 320,352,545.55 and 116,486,558.90

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Solution

The fourth proportional to 213,568,363.70, 320,352,545.55 and 116,486,558.90 is: 174,729,838.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,568,363.70 : 320,352,545.55 = 116,486,558.90 : x
  2. Step 2: Convert to fraction form
    213,568,363.70/320,352,545.55 = 116,486,558.90/x
  3. Step 3: Cross multiply
    213,568,363.70x = 320,352,545.55 × 116,486,558.90
  4. Step 4: Simplify right side
    213,568,363.70x = 37,316,765,665,975,008
  5. Step 5: Solve for x
    x = 37,316,765,665,975,008/213,568,363.70
  6. Step 6: Final answer
    x = 174,729,838.35

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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.