Home / 203,026,201.79-280,180,612.80-123,644,983.55

Finding the Fourth Proportional to 203,026,201.79, 280,180,612.80 and 123,644,983.55

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Solution

The fourth proportional to 203,026,201.79, 280,180,612.80 and 123,644,983.55 is: 170,632,790.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,026,201.79 : 280,180,612.80 = 123,644,983.55 : x
  2. Step 2: Convert to fraction form
    203,026,201.79/280,180,612.80 = 123,644,983.55/x
  3. Step 3: Cross multiply
    203,026,201.79x = 280,180,612.80 × 123,644,983.55
  4. Step 4: Simplify right side
    203,026,201.79x = 34,642,927,259,284,020
  5. Step 5: Solve for x
    x = 34,642,927,259,284,020/203,026,201.79
  6. Step 6: Final answer
    x = 170,632,790.03

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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.