Home / 161,587,583.12-222,991,114.20-91,972,963.28

Finding the Fourth Proportional to 161,587,583.12, 222,991,114.20 and 91,972,963.28

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Solution

The fourth proportional to 161,587,583.12, 222,991,114.20 and 91,972,963.28 is: 126,922,831.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,587,583.12 : 222,991,114.20 = 91,972,963.28 : x
  2. Step 2: Convert to fraction form
    161,587,583.12/222,991,114.20 = 91,972,963.28/x
  3. Step 3: Cross multiply
    161,587,583.12x = 222,991,114.20 × 91,972,963.28
  4. Step 4: Simplify right side
    161,587,583.12x = 20,509,153,558,082,884
  5. Step 5: Solve for x
    x = 20,509,153,558,082,884/161,587,583.12
  6. Step 6: Final answer
    x = 126,922,831.33

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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.