Home / 274,359,540.69-378,616,580.91-148,911,781.68

Finding the Fourth Proportional to 274,359,540.69, 378,616,580.91 and 148,911,781.68

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Solution

The fourth proportional to 274,359,540.69, 378,616,580.91 and 148,911,781.68 is: 205,498,483.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,359,540.69 : 378,616,580.91 = 148,911,781.68 : x
  2. Step 2: Convert to fraction form
    274,359,540.69/378,616,580.91 = 148,911,781.68/x
  3. Step 3: Cross multiply
    274,359,540.69x = 378,616,580.91 × 148,911,781.68
  4. Step 4: Simplify right side
    274,359,540.69x = 56,380,469,636,897,984
  5. Step 5: Solve for x
    x = 56,380,469,636,897,984/274,359,540.69
  6. Step 6: Final answer
    x = 205,498,483.83

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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.