Home / 206,225,138.70-285,340,103.46-179,818,518.42

Finding the Fourth Proportional to 206,225,138.70, 285,340,103.46 and 179,818,518.42

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Solution

The fourth proportional to 206,225,138.70, 285,340,103.46 and 179,818,518.42 is: 248,803,007.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,225,138.70 : 285,340,103.46 = 179,818,518.42 : x
  2. Step 2: Convert to fraction form
    206,225,138.70/285,340,103.46 = 179,818,518.42/x
  3. Step 3: Cross multiply
    206,225,138.70x = 285,340,103.46 × 179,818,518.42
  4. Step 4: Simplify right side
    206,225,138.70x = 51,309,434,649,986,712
  5. Step 5: Solve for x
    x = 51,309,434,649,986,712/206,225,138.70
  6. Step 6: Final answer
    x = 248,803,007.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.