Home / 183,204,019.80-274,806,029.70-128,678,173.20

Finding the Fourth Proportional to 183,204,019.80, 274,806,029.70 and 128,678,173.20

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Solution

The fourth proportional to 183,204,019.80, 274,806,029.70 and 128,678,173.20 is: 193,017,259.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,204,019.80 : 274,806,029.70 = 128,678,173.20 : x
  2. Step 2: Convert to fraction form
    183,204,019.80/274,806,029.70 = 128,678,173.20/x
  3. Step 3: Cross multiply
    183,204,019.80x = 274,806,029.70 × 128,678,173.20
  4. Step 4: Simplify right side
    183,204,019.80x = 35,361,537,886,140,944
  5. Step 5: Solve for x
    x = 35,361,537,886,140,944/183,204,019.80
  6. Step 6: Final answer
    x = 193,017,259.80

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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.