Home / 203,227,498.72-280,433,712.36-115,103,908.36

Finding the Fourth Proportional to 203,227,498.72, 280,433,712.36 and 115,103,908.36

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Solution

The fourth proportional to 203,227,498.72, 280,433,712.36 and 115,103,908.36 is: 158,831,932.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,227,498.72 : 280,433,712.36 = 115,103,908.36 : x
  2. Step 2: Convert to fraction form
    203,227,498.72/280,433,712.36 = 115,103,908.36/x
  3. Step 3: Cross multiply
    203,227,498.72x = 280,433,712.36 × 115,103,908.36
  4. Step 4: Simplify right side
    203,227,498.72x = 32,279,016,328,540,040
  5. Step 5: Solve for x
    x = 32,279,016,328,540,040/203,227,498.72
  6. Step 6: Final answer
    x = 158,831,932.35

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1.5x scale

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.