Home / 221,724,187.20-332,208,367.20-189,223,617.60

Finding the Fourth Proportional to 221,724,187.20, 332,208,367.20 and 189,223,617.60

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Solution

The fourth proportional to 221,724,187.20, 332,208,367.20 and 189,223,617.60 is: 283,512,907.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,724,187.20 : 332,208,367.20 = 189,223,617.60 : x
  2. Step 2: Convert to fraction form
    221,724,187.20/332,208,367.20 = 189,223,617.60/x
  3. Step 3: Cross multiply
    221,724,187.20x = 332,208,367.20 × 189,223,617.60
  4. Step 4: Simplify right side
    221,724,187.20x = 62,861,669,038,573,176
  5. Step 5: Solve for x
    x = 62,861,669,038,573,176/221,724,187.20
  6. Step 6: Final answer
    x = 283,512,907.78

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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.