Home / 165,949,781.70-229,004,696.03-91,608,746.48

Finding the Fourth Proportional to 165,949,781.70, 229,004,696.03 and 91,608,746.48

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Solution

The fourth proportional to 165,949,781.70, 229,004,696.03 and 91,608,746.48 is: 126,416,756.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,949,781.70 : 229,004,696.03 = 91,608,746.48 : x
  2. Step 2: Convert to fraction form
    165,949,781.70/229,004,696.03 = 91,608,746.48/x
  3. Step 3: Cross multiply
    165,949,781.70x = 229,004,696.03 × 91,608,746.48
  4. Step 4: Simplify right side
    165,949,781.70x = 20,978,833,139,738,664
  5. Step 5: Solve for x
    x = 20,978,833,139,738,664/165,949,781.70
  6. Step 6: Final answer
    x = 126,416,756.47

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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.