Home / 221,434,821.30-332,152,231.95-164,039,193.30

Finding the Fourth Proportional to 221,434,821.30, 332,152,231.95 and 164,039,193.30

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Solution

The fourth proportional to 221,434,821.30, 332,152,231.95 and 164,039,193.30 is: 246,058,789.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,434,821.30 : 332,152,231.95 = 164,039,193.30 : x
  2. Step 2: Convert to fraction form
    221,434,821.30/332,152,231.95 = 164,039,193.30/x
  3. Step 3: Cross multiply
    221,434,821.30x = 332,152,231.95 × 164,039,193.30
  4. Step 4: Simplify right side
    221,434,821.30x = 54,485,984,181,872,488
  5. Step 5: Solve for x
    x = 54,485,984,181,872,488/221,434,821.30
  6. Step 6: Final answer
    x = 246,058,789.95

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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.