Home / 220,523,288.80-330,784,933.20-147,774,920.80

Finding the Fourth Proportional to 220,523,288.80, 330,784,933.20 and 147,774,920.80

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Solution

The fourth proportional to 220,523,288.80, 330,784,933.20 and 147,774,920.80 is: 221,662,381.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,523,288.80 : 330,784,933.20 = 147,774,920.80 : x
  2. Step 2: Convert to fraction form
    220,523,288.80/330,784,933.20 = 147,774,920.80/x
  3. Step 3: Cross multiply
    220,523,288.80x = 330,784,933.20 × 147,774,920.80
  4. Step 4: Simplify right side
    220,523,288.80x = 48,881,717,305,463,296
  5. Step 5: Solve for x
    x = 48,881,717,305,463,296/220,523,288.80
  6. Step 6: Final answer
    x = 221,662,381.20

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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.