Home / 206,486,435.04-309,732,937.20-114,951,970.86

Finding the Fourth Proportional to 206,486,435.04, 309,732,937.20 and 114,951,970.86

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Solution

The fourth proportional to 206,486,435.04, 309,732,937.20 and 114,951,970.86 is: 172,429,784.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,486,435.04 : 309,732,937.20 = 114,951,970.86 : x
  2. Step 2: Convert to fraction form
    206,486,435.04/309,732,937.20 = 114,951,970.86/x
  3. Step 3: Cross multiply
    206,486,435.04x = 309,732,937.20 × 114,951,970.86
  4. Step 4: Simplify right side
    206,486,435.04x = 35,604,411,571,396,608
  5. Step 5: Solve for x
    x = 35,604,411,571,396,608/206,486,435.04
  6. Step 6: Final answer
    x = 172,429,784.86

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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.