Home / 221,932,355.52-333,030,046.50-123,646,328.40

Finding the Fourth Proportional to 221,932,355.52, 333,030,046.50 and 123,646,328.40

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Solution

The fourth proportional to 221,932,355.52, 333,030,046.50 and 123,646,328.40 is: 185,542,763.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,932,355.52 : 333,030,046.50 = 123,646,328.40 : x
  2. Step 2: Convert to fraction form
    221,932,355.52/333,030,046.50 = 123,646,328.40/x
  3. Step 3: Cross multiply
    221,932,355.52x = 333,030,046.50 × 123,646,328.40
  4. Step 4: Simplify right side
    221,932,355.52x = 41,177,942,496,606,272
  5. Step 5: Solve for x
    x = 41,177,942,496,606,272/221,932,355.52
  6. Step 6: Final answer
    x = 185,542,763.24

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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.