Home / 278,773,142.22-384,755,089.14-161,363,208.87

Finding the Fourth Proportional to 278,773,142.22, 384,755,089.14 and 161,363,208.87

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Solution

The fourth proportional to 278,773,142.22, 384,755,089.14 and 161,363,208.87 is: 222,709,100.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,773,142.22 : 384,755,089.14 = 161,363,208.87 : x
  2. Step 2: Convert to fraction form
    278,773,142.22/384,755,089.14 = 161,363,208.87/x
  3. Step 3: Cross multiply
    278,773,142.22x = 384,755,089.14 × 161,363,208.87
  4. Step 4: Simplify right side
    278,773,142.22x = 62,085,315,812,693,288
  5. Step 5: Solve for x
    x = 62,085,315,812,693,288/278,773,142.22
  6. Step 6: Final answer
    x = 222,709,100.73

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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.