Home / 209,957,404.70-314,936,107.05-180,732,086.30

Finding the Fourth Proportional to 209,957,404.70, 314,936,107.05 and 180,732,086.30

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Solution

The fourth proportional to 209,957,404.70, 314,936,107.05 and 180,732,086.30 is: 271,098,129.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,957,404.70 : 314,936,107.05 = 180,732,086.30 : x
  2. Step 2: Convert to fraction form
    209,957,404.70/314,936,107.05 = 180,732,086.30/x
  3. Step 3: Cross multiply
    209,957,404.70x = 314,936,107.05 × 180,732,086.30
  4. Step 4: Simplify right side
    209,957,404.70x = 56,919,059,678,346,648
  5. Step 5: Solve for x
    x = 56,919,059,678,346,648/209,957,404.70
  6. Step 6: Final answer
    x = 271,098,129.45

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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.