Home / 221,238,280.80-331,857,421.20-152,363,527.20

Finding the Fourth Proportional to 221,238,280.80, 331,857,421.20 and 152,363,527.20

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Solution

The fourth proportional to 221,238,280.80, 331,857,421.20 and 152,363,527.20 is: 228,545,290.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,238,280.80 : 331,857,421.20 = 152,363,527.20 : x
  2. Step 2: Convert to fraction form
    221,238,280.80/331,857,421.20 = 152,363,527.20/x
  3. Step 3: Cross multiply
    221,238,280.80x = 331,857,421.20 × 152,363,527.20
  4. Step 4: Simplify right side
    221,238,280.80x = 50,562,967,221,528,048
  5. Step 5: Solve for x
    x = 50,562,967,221,528,048/221,238,280.80
  6. Step 6: Final answer
    x = 228,545,290.80

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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.