Home / 221,653,900.80-332,480,851.20-92,218,492.80

Finding the Fourth Proportional to 221,653,900.80, 332,480,851.20 and 92,218,492.80

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Solution

The fourth proportional to 221,653,900.80, 332,480,851.20 and 92,218,492.80 is: 138,327,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,653,900.80 : 332,480,851.20 = 92,218,492.80 : x
  2. Step 2: Convert to fraction form
    221,653,900.80/332,480,851.20 = 92,218,492.80/x
  3. Step 3: Cross multiply
    221,653,900.80x = 332,480,851.20 × 92,218,492.80
  4. Step 4: Simplify right side
    221,653,900.80x = 30,660,882,982,525,068
  5. Step 5: Solve for x
    x = 30,660,882,982,525,068/221,653,900.80
  6. Step 6: Final answer
    x = 138,327,739.20

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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.