Home / 221,289,436.80-331,934,155.20-119,252,764.80

Finding the Fourth Proportional to 221,289,436.80, 331,934,155.20 and 119,252,764.80

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Solution

The fourth proportional to 221,289,436.80, 331,934,155.20 and 119,252,764.80 is: 178,879,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,289,436.80 : 331,934,155.20 = 119,252,764.80 : x
  2. Step 2: Convert to fraction form
    221,289,436.80/331,934,155.20 = 119,252,764.80/x
  3. Step 3: Cross multiply
    221,289,436.80x = 331,934,155.20 × 119,252,764.80
  4. Step 4: Simplify right side
    221,289,436.80x = 39,584,065,739,152,296
  5. Step 5: Solve for x
    x = 39,584,065,739,152,296/221,289,436.80
  6. Step 6: Final answer
    x = 178,879,147.20

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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.