Home / 233,065,910.48-321,630,983.96-128,644,011.24

Finding the Fourth Proportional to 233,065,910.48, 321,630,983.96 and 128,644,011.24

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Solution

The fourth proportional to 233,065,910.48, 321,630,983.96 and 128,644,011.24 is: 177,528,750.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,065,910.48 : 321,630,983.96 = 128,644,011.24 : x
  2. Step 2: Convert to fraction form
    233,065,910.48/321,630,983.96 = 128,644,011.24/x
  3. Step 3: Cross multiply
    233,065,910.48x = 321,630,983.96 × 128,644,011.24
  4. Step 4: Simplify right side
    233,065,910.48x = 41,375,899,915,682,496
  5. Step 5: Solve for x
    x = 41,375,899,915,682,496/233,065,910.48
  6. Step 6: Final answer
    x = 177,528,750.69

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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.