Home / 187,217,512.35-280,826,268.53-125,995,509.15

Finding the Fourth Proportional to 187,217,512.35, 280,826,268.53 and 125,995,509.15

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Solution

The fourth proportional to 187,217,512.35, 280,826,268.53 and 125,995,509.15 is: 188,993,263.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,217,512.35 : 280,826,268.53 = 125,995,509.15 : x
  2. Step 2: Convert to fraction form
    187,217,512.35/280,826,268.53 = 125,995,509.15/x
  3. Step 3: Cross multiply
    187,217,512.35x = 280,826,268.53 × 125,995,509.15
  4. Step 4: Simplify right side
    187,217,512.35x = 35,382,848,685,501,992
  5. Step 5: Solve for x
    x = 35,382,848,685,501,992/187,217,512.35
  6. Step 6: Final answer
    x = 188,993,263.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.