Home / 221,337,863.40-332,006,795.10-218,314,554.60

Finding the Fourth Proportional to 221,337,863.40, 332,006,795.10 and 218,314,554.60

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Solution

The fourth proportional to 221,337,863.40, 332,006,795.10 and 218,314,554.60 is: 327,471,831.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,337,863.40 : 332,006,795.10 = 218,314,554.60 : x
  2. Step 2: Convert to fraction form
    221,337,863.40/332,006,795.10 = 218,314,554.60/x
  3. Step 3: Cross multiply
    221,337,863.40x = 332,006,795.10 × 218,314,554.60
  4. Step 4: Simplify right side
    221,337,863.40x = 72,481,915,596,429,968
  5. Step 5: Solve for x
    x = 72,481,915,596,429,968/221,337,863.40
  6. Step 6: Final answer
    x = 327,471,831.90

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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.