Home / 221,299,497.40-331,949,246.10-206,182,953.40

Finding the Fourth Proportional to 221,299,497.40, 331,949,246.10 and 206,182,953.40

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Solution

The fourth proportional to 221,299,497.40, 331,949,246.10 and 206,182,953.40 is: 309,274,430.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,299,497.40 : 331,949,246.10 = 206,182,953.40 : x
  2. Step 2: Convert to fraction form
    221,299,497.40/331,949,246.10 = 206,182,953.40/x
  3. Step 3: Cross multiply
    221,299,497.40x = 331,949,246.10 × 206,182,953.40
  4. Step 4: Simplify right side
    221,299,497.40x = 68,442,275,939,801,440
  5. Step 5: Solve for x
    x = 68,442,275,939,801,440/221,299,497.40
  6. Step 6: Final answer
    x = 309,274,430.10

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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.