Home / 183,204,020.80-274,806,031.20-128,678,174.20

Finding the Fourth Proportional to 183,204,020.80, 274,806,031.20 and 128,678,174.20

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Solution

The fourth proportional to 183,204,020.80, 274,806,031.20 and 128,678,174.20 is: 193,017,261.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,204,020.80 : 274,806,031.20 = 128,678,174.20 : x
  2. Step 2: Convert to fraction form
    183,204,020.80/274,806,031.20 = 128,678,174.20/x
  3. Step 3: Cross multiply
    183,204,020.80x = 274,806,031.20 × 128,678,174.20
  4. Step 4: Simplify right side
    183,204,020.80x = 35,361,538,353,964,236
  5. Step 5: Solve for x
    x = 35,361,538,353,964,236/183,204,020.80
  6. Step 6: Final answer
    x = 193,017,261.30

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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.