Home / 233,106,380.08-321,687,831.97-128,685,309.46

Finding the Fourth Proportional to 233,106,380.08, 321,687,831.97 and 128,685,309.46

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Solution

The fourth proportional to 233,106,380.08, 321,687,831.97 and 128,685,309.46 is: 177,586,294.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,106,380.08 : 321,687,831.97 = 128,685,309.46 : x
  2. Step 2: Convert to fraction form
    233,106,380.08/321,687,831.97 = 128,685,309.46/x
  3. Step 3: Cross multiply
    233,106,380.08x = 321,687,831.97 × 128,685,309.46
  4. Step 4: Simplify right side
    233,106,380.08x = 41,396,498,206,698,192
  5. Step 5: Solve for x
    x = 41,396,498,206,698,192/233,106,380.08
  6. Step 6: Final answer
    x = 177,586,294.26

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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.