Home / 179,041,397.24-247,067,029.50-100,728,251.48

Finding the Fourth Proportional to 179,041,397.24, 247,067,029.50 and 100,728,251.48

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Solution

The fourth proportional to 179,041,397.24, 247,067,029.50 and 100,728,251.48 is: 138,999,305.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,041,397.24 : 247,067,029.50 = 100,728,251.48 : x
  2. Step 2: Convert to fraction form
    179,041,397.24/247,067,029.50 = 100,728,251.48/x
  3. Step 3: Cross multiply
    179,041,397.24x = 247,067,029.50 × 100,728,251.48
  4. Step 4: Simplify right side
    179,041,397.24x = 24,886,629,879,892,580
  5. Step 5: Solve for x
    x = 24,886,629,879,892,580/179,041,397.24
  6. Step 6: Final answer
    x = 138,999,305.54

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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.