Home / 225,455,491.80-338,183,237.70-148,865,002.20

Finding the Fourth Proportional to 225,455,491.80, 338,183,237.70 and 148,865,002.20

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Solution

The fourth proportional to 225,455,491.80, 338,183,237.70 and 148,865,002.20 is: 223,297,503.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,455,491.80 : 338,183,237.70 = 148,865,002.20 : x
  2. Step 2: Convert to fraction form
    225,455,491.80/338,183,237.70 = 148,865,002.20/x
  3. Step 3: Cross multiply
    225,455,491.80x = 338,183,237.70 × 148,865,002.20
  4. Step 4: Simplify right side
    225,455,491.80x = 50,343,648,424,213,616
  5. Step 5: Solve for x
    x = 50,343,648,424,213,616/225,455,491.80
  6. Step 6: Final answer
    x = 223,297,503.30

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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.