Home / 161,380,004.72-222,703,351.44-91,765,390.64

Finding the Fourth Proportional to 161,380,004.72, 222,703,351.44 and 91,765,390.64

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Solution

The fourth proportional to 161,380,004.72, 222,703,351.44 and 91,765,390.64 is: 126,635,639.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,380,004.72 : 222,703,351.44 = 91,765,390.64 : x
  2. Step 2: Convert to fraction form
    161,380,004.72/222,703,351.44 = 91,765,390.64/x
  3. Step 3: Cross multiply
    161,380,004.72x = 222,703,351.44 × 91,765,390.64
  4. Step 4: Simplify right side
    161,380,004.72x = 20,436,460,041,728,808
  5. Step 5: Solve for x
    x = 20,436,460,041,728,808/161,380,004.72
  6. Step 6: Final answer
    x = 126,635,639.14

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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.