Home / 274,359,529.68-378,616,565.74-148,911,770.64

Finding the Fourth Proportional to 274,359,529.68, 378,616,565.74 and 148,911,770.64

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Solution

The fourth proportional to 274,359,529.68, 378,616,565.74 and 148,911,770.64 is: 205,498,468.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,359,529.68 : 378,616,565.74 = 148,911,770.64 : x
  2. Step 2: Convert to fraction form
    274,359,529.68/378,616,565.74 = 148,911,770.64/x
  3. Step 3: Cross multiply
    274,359,529.68x = 378,616,565.74 × 148,911,770.64
  4. Step 4: Simplify right side
    274,359,529.68x = 56,380,463,197,979,360
  5. Step 5: Solve for x
    x = 56,380,463,197,979,360/274,359,529.68
  6. Step 6: Final answer
    x = 205,498,468.61

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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.