Home / 206,648,015.52-309,972,449.74-194,020,977.36

Finding the Fourth Proportional to 206,648,015.52, 309,972,449.74 and 194,020,977.36

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Solution

The fourth proportional to 206,648,015.52, 309,972,449.74 and 194,020,977.36 is: 291,031,866.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,648,015.52 : 309,972,449.74 = 194,020,977.36 : x
  2. Step 2: Convert to fraction form
    206,648,015.52/309,972,449.74 = 194,020,977.36/x
  3. Step 3: Cross multiply
    206,648,015.52x = 309,972,449.74 × 194,020,977.36
  4. Step 4: Simplify right side
    206,648,015.52x = 60,141,157,653,228,288
  5. Step 5: Solve for x
    x = 60,141,157,653,228,288/206,648,015.52
  6. Step 6: Final answer
    x = 291,031,866.44

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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.