Home / 179,334,193.80-268,434,420.30-128,315,857.80

Finding the Fourth Proportional to 179,334,193.80, 268,434,420.30 and 128,315,857.80

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Solution

The fourth proportional to 179,334,193.80, 268,434,420.30 and 128,315,857.80 is: 192,068,183.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,334,193.80 : 268,434,420.30 = 128,315,857.80 : x
  2. Step 2: Convert to fraction form
    179,334,193.80/268,434,420.30 = 128,315,857.80/x
  3. Step 3: Cross multiply
    179,334,193.80x = 268,434,420.30 × 128,315,857.80
  4. Step 4: Simplify right side
    179,334,193.80x = 34,444,392,903,840,236
  5. Step 5: Solve for x
    x = 34,444,392,903,840,236/179,334,193.80
  6. Step 6: Final answer
    x = 192,068,183.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.