Home / 221,435,240.80-332,152,861.20-164,039,612.80

Finding the Fourth Proportional to 221,435,240.80, 332,152,861.20 and 164,039,612.80

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Solution

The fourth proportional to 221,435,240.80, 332,152,861.20 and 164,039,612.80 is: 246,059,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,435,240.80 : 332,152,861.20 = 164,039,612.80 : x
  2. Step 2: Convert to fraction form
    221,435,240.80/332,152,861.20 = 164,039,612.80/x
  3. Step 3: Cross multiply
    221,435,240.80x = 332,152,861.20 × 164,039,612.80
  4. Step 4: Simplify right side
    221,435,240.80x = 54,486,226,741,660,144
  5. Step 5: Solve for x
    x = 54,486,226,741,660,144/221,435,240.80
  6. Step 6: Final answer
    x = 246,059,419.20

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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.