Home / 228,383,695.42-315,161,052.87-123,959,545.18

Finding the Fourth Proportional to 228,383,695.42, 315,161,052.87 and 123,959,545.18

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Solution

The fourth proportional to 228,383,695.42, 315,161,052.87 and 123,959,545.18 is: 171,059,587.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,383,695.42 : 315,161,052.87 = 123,959,545.18 : x
  2. Step 2: Convert to fraction form
    228,383,695.42/315,161,052.87 = 123,959,545.18/x
  3. Step 3: Cross multiply
    228,383,695.42x = 315,161,052.87 × 123,959,545.18
  4. Step 4: Simplify right side
    228,383,695.42x = 39,067,220,772,215,136
  5. Step 5: Solve for x
    x = 39,067,220,772,215,136/228,383,695.42
  6. Step 6: Final answer
    x = 171,059,587.68

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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.