Home / 161,449,683,057.51-222,800,652,010.68-87,206,629,285.14

Finding the Fourth Proportional to 161,449,683,057.51, 222,800,652,010.68 and 87,206,629,285.14

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Solution

The fourth proportional to 161,449,683,057.51, 222,800,652,010.68 and 87,206,629,285.14 is: 120,345,196,697.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,449,683,057.51 : 222,800,652,010.68 = 87,206,629,285.14 : x
  2. Step 2: Convert to fraction form
    161,449,683,057.51/222,800,652,010.68 = 87,206,629,285.14/x
  3. Step 3: Cross multiply
    161,449,683,057.51x = 222,800,652,010.68 × 87,206,629,285.14
  4. Step 4: Simplify right side
    161,449,683,057.51x = 19,429,693,864,382,853,808,128
  5. Step 5: Solve for x
    x = 19,429,693,864,382,853,808,128/161,449,683,057.51
  6. Step 6: Final answer
    x = 120,345,196,697.98

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1.5x scale

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.