Home / 232,645,406.88-321,052,615.02-128,223,744.96

Finding the Fourth Proportional to 232,645,406.88, 321,052,615.02 and 128,223,744.96

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Solution

The fourth proportional to 232,645,406.88, 321,052,615.02 and 128,223,744.96 is: 176,949,844.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,645,406.88 : 321,052,615.02 = 128,223,744.96 : x
  2. Step 2: Convert to fraction form
    232,645,406.88/321,052,615.02 = 128,223,744.96/x
  3. Step 3: Cross multiply
    232,645,406.88x = 321,052,615.02 × 128,223,744.96
  4. Step 4: Simplify right side
    232,645,406.88x = 41,166,568,627,065,544
  5. Step 5: Solve for x
    x = 41,166,568,627,065,544/232,645,406.88
  6. Step 6: Final answer
    x = 176,949,844.74

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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.