Home / 221,420,007.20-332,130,010.80-106,376,808.80

Finding the Fourth Proportional to 221,420,007.20, 332,130,010.80 and 106,376,808.80

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Solution

The fourth proportional to 221,420,007.20, 332,130,010.80 and 106,376,808.80 is: 159,565,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,420,007.20 : 332,130,010.80 = 106,376,808.80 : x
  2. Step 2: Convert to fraction form
    221,420,007.20/332,130,010.80 = 106,376,808.80/x
  3. Step 3: Cross multiply
    221,420,007.20x = 332,130,010.80 × 106,376,808.80
  4. Step 4: Simplify right side
    221,420,007.20x = 35,330,930,655,613,536
  5. Step 5: Solve for x
    x = 35,330,930,655,613,536/221,420,007.20
  6. Step 6: Final answer
    x = 159,565,213.20

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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.