Home / 165,440,101.92-228,307,340.71-91,100,485.27

Finding the Fourth Proportional to 165,440,101.92, 228,307,340.71 and 91,100,485.27

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Solution

The fourth proportional to 165,440,101.92, 228,307,340.71 and 91,100,485.27 is: 125,718,669.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,440,101.92 : 228,307,340.71 = 91,100,485.27 : x
  2. Step 2: Convert to fraction form
    165,440,101.92/228,307,340.71 = 91,100,485.27/x
  3. Step 3: Cross multiply
    165,440,101.92x = 228,307,340.71 × 91,100,485.27
  4. Step 4: Simplify right side
    165,440,101.92x = 20,798,909,529,384,228
  5. Step 5: Solve for x
    x = 20,798,909,529,384,228/165,440,101.92
  6. Step 6: Final answer
    x = 125,718,669.71

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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.