Home / 273,668,529.80-409,930,481.10-128,226,225.80

Finding the Fourth Proportional to 273,668,529.80, 409,930,481.10 and 128,226,225.80

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Solution

The fourth proportional to 273,668,529.80, 409,930,481.10 and 128,226,225.80 is: 192,071,183.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,668,529.80 : 409,930,481.10 = 128,226,225.80 : x
  2. Step 2: Convert to fraction form
    273,668,529.80/409,930,481.10 = 128,226,225.80/x
  3. Step 3: Cross multiply
    273,668,529.80x = 409,930,481.10 × 128,226,225.80
  4. Step 4: Simplify right side
    273,668,529.80x = 52,563,838,431,831,232
  5. Step 5: Solve for x
    x = 52,563,838,431,831,232/273,668,529.80
  6. Step 6: Final answer
    x = 192,071,183.60

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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.