Home / 232,964,393.37-321,497,591.90-128,549,188.77

Finding the Fourth Proportional to 232,964,393.37, 321,497,591.90 and 128,549,188.77

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Solution

The fourth proportional to 232,964,393.37, 321,497,591.90 and 128,549,188.77 is: 177,401,593.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,964,393.37 : 321,497,591.90 = 128,549,188.77 : x
  2. Step 2: Convert to fraction form
    232,964,393.37/321,497,591.90 = 128,549,188.77/x
  3. Step 3: Cross multiply
    232,964,393.37x = 321,497,591.90 × 128,549,188.77
  4. Step 4: Simplify right side
    232,964,393.37x = 41,328,254,630,253,520
  5. Step 5: Solve for x
    x = 41,328,254,630,253,520/232,964,393.37
  6. Step 6: Final answer
    x = 177,401,593.58

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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.