Home / 221,434,812.80-332,152,219.20-164,039,184.80

Finding the Fourth Proportional to 221,434,812.80, 332,152,219.20 and 164,039,184.80

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Solution

The fourth proportional to 221,434,812.80, 332,152,219.20 and 164,039,184.80 is: 246,058,777.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,434,812.80 : 332,152,219.20 = 164,039,184.80 : x
  2. Step 2: Convert to fraction form
    221,434,812.80/332,152,219.20 = 164,039,184.80/x
  3. Step 3: Cross multiply
    221,434,812.80x = 332,152,219.20 × 164,039,184.80
  4. Step 4: Simplify right side
    221,434,812.80x = 54,485,979,267,078,912
  5. Step 5: Solve for x
    x = 54,485,979,267,078,912/221,434,812.80
  6. Step 6: Final answer
    x = 246,058,777.20

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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.