Home / 233,052,574.20-321,589,655.13-128,623,919.55

Finding the Fourth Proportional to 233,052,574.20, 321,589,655.13 and 128,623,919.55

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Solution

The fourth proportional to 233,052,574.20, 321,589,655.13 and 128,623,919.55 is: 177,488,371.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,052,574.20 : 321,589,655.13 = 128,623,919.55 : x
  2. Step 2: Convert to fraction form
    233,052,574.20/321,589,655.13 = 128,623,919.55/x
  3. Step 3: Cross multiply
    233,052,574.20x = 321,589,655.13 × 128,623,919.55
  4. Step 4: Simplify right side
    233,052,574.20x = 41,364,121,929,553,360
  5. Step 5: Solve for x
    x = 41,364,121,929,553,360/233,052,574.20
  6. Step 6: Final answer
    x = 177,488,371.76

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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.