Home / 274,359,543.69-378,616,585.05-148,911,784.68

Finding the Fourth Proportional to 274,359,543.69, 378,616,585.05 and 148,911,784.68

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Solution

The fourth proportional to 274,359,543.69, 378,616,585.05 and 148,911,784.68 is: 205,498,487.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,359,543.69 : 378,616,585.05 = 148,911,784.68 : x
  2. Step 2: Convert to fraction form
    274,359,543.69/378,616,585.05 = 148,911,784.68/x
  3. Step 3: Cross multiply
    274,359,543.69x = 378,616,585.05 × 148,911,784.68
  4. Step 4: Simplify right side
    274,359,543.69x = 56,380,471,389,242,512
  5. Step 5: Solve for x
    x = 56,380,471,389,242,512/274,359,543.69
  6. Step 6: Final answer
    x = 205,498,487.97

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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.