Home / 161,110,988,363.13-222,333,384,435.27-87,867,396,144.65

Finding the Fourth Proportional to 161,110,988,363.13, 222,333,384,435.27 and 87,867,396,144.65

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Solution

The fourth proportional to 161,110,988,363.13, 222,333,384,435.27 and 87,867,396,144.65 is: 121,257,126,933.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,110,988,363.13 : 222,333,384,435.27 = 87,867,396,144.65 : x
  2. Step 2: Convert to fraction form
    161,110,988,363.13/222,333,384,435.27 = 87,867,396,144.65/x
  3. Step 3: Cross multiply
    161,110,988,363.13x = 222,333,384,435.27 × 87,867,396,144.65
  4. Step 4: Simplify right side
    161,110,988,363.13x = 19,535,855,566,353,516,724,224
  5. Step 5: Solve for x
    x = 19,535,855,566,353,516,724,224/161,110,988,363.13
  6. Step 6: Final answer
    x = 121,257,126,933.65

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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.