Home / 221,435,572.80-332,153,359.20-164,039,944.80

Finding the Fourth Proportional to 221,435,572.80, 332,153,359.20 and 164,039,944.80

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Solution

The fourth proportional to 221,435,572.80, 332,153,359.20 and 164,039,944.80 is: 246,059,917.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,435,572.80 : 332,153,359.20 = 164,039,944.80 : x
  2. Step 2: Convert to fraction form
    221,435,572.80/332,153,359.20 = 164,039,944.80/x
  3. Step 3: Cross multiply
    221,435,572.80x = 332,153,359.20 × 164,039,944.80
  4. Step 4: Simplify right side
    221,435,572.80x = 54,486,418,708,302,576
  5. Step 5: Solve for x
    x = 54,486,418,708,302,576/221,435,572.80
  6. Step 6: Final answer
    x = 246,059,917.20

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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.