Home / 197,520,305.72-295,079,111.53-127,865,661.80

Finding the Fourth Proportional to 197,520,305.72, 295,079,111.53 and 127,865,661.80

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Solution

The fourth proportional to 197,520,305.72, 295,079,111.53 and 127,865,661.80 is: 191,020,795.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,520,305.72 : 295,079,111.53 = 127,865,661.80 : x
  2. Step 2: Convert to fraction form
    197,520,305.72/295,079,111.53 = 127,865,661.80/x
  3. Step 3: Cross multiply
    197,520,305.72x = 295,079,111.53 × 127,865,661.80
  4. Step 4: Simplify right side
    197,520,305.72x = 37,730,485,879,139,456
  5. Step 5: Solve for x
    x = 37,730,485,879,139,456/197,520,305.72
  6. Step 6: Final answer
    x = 191,020,795.26

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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.