Home / 221,238,020.40-331,857,030.60-152,363,266.80

Finding the Fourth Proportional to 221,238,020.40, 331,857,030.60 and 152,363,266.80

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Solution

The fourth proportional to 221,238,020.40, 331,857,030.60 and 152,363,266.80 is: 228,544,900.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,238,020.40 : 331,857,030.60 = 152,363,266.80 : x
  2. Step 2: Convert to fraction form
    221,238,020.40/331,857,030.60 = 152,363,266.80/x
  3. Step 3: Cross multiply
    221,238,020.40x = 331,857,030.60 × 152,363,266.80
  4. Step 4: Simplify right side
    221,238,020.40x = 50,562,821,292,763,568
  5. Step 5: Solve for x
    x = 50,562,821,292,763,568/221,238,020.40
  6. Step 6: Final answer
    x = 228,544,900.20

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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.