Home / 221,433,938.80-332,150,908.20-220,158,480.40

Finding the Fourth Proportional to 221,433,938.80, 332,150,908.20 and 220,158,480.40

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Solution

The fourth proportional to 221,433,938.80, 332,150,908.20 and 220,158,480.40 is: 330,237,720.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,433,938.80 : 332,150,908.20 = 220,158,480.40 : x
  2. Step 2: Convert to fraction form
    221,433,938.80/332,150,908.20 = 220,158,480.40/x
  3. Step 3: Cross multiply
    221,433,938.80x = 332,150,908.20 × 220,158,480.40
  4. Step 4: Simplify right side
    221,433,938.80x = 73,125,839,212,791,904
  5. Step 5: Solve for x
    x = 73,125,839,212,791,904/221,433,938.80
  6. Step 6: Final answer
    x = 330,237,720.60

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1.5x scale

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.