Home / 197,520,304.72-295,079,110.04-127,865,660.80

Finding the Fourth Proportional to 197,520,304.72, 295,079,110.04 and 127,865,660.80

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Solution

The fourth proportional to 197,520,304.72, 295,079,110.04 and 127,865,660.80 is: 191,020,793.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,520,304.72 : 295,079,110.04 = 127,865,660.80 : x
  2. Step 2: Convert to fraction form
    197,520,304.72/295,079,110.04 = 127,865,660.80/x
  3. Step 3: Cross multiply
    197,520,304.72x = 295,079,110.04 × 127,865,660.80
  4. Step 4: Simplify right side
    197,520,304.72x = 37,730,485,393,540,520
  5. Step 5: Solve for x
    x = 37,730,485,393,540,520/197,520,304.72
  6. Step 6: Final answer
    x = 191,020,793.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.