Home / 215,291,180.80-322,936,771.20-177,027,428.80

Finding the Fourth Proportional to 215,291,180.80, 322,936,771.20 and 177,027,428.80

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Solution

The fourth proportional to 215,291,180.80, 322,936,771.20 and 177,027,428.80 is: 265,541,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,291,180.80 : 322,936,771.20 = 177,027,428.80 : x
  2. Step 2: Convert to fraction form
    215,291,180.80/322,936,771.20 = 177,027,428.80/x
  3. Step 3: Cross multiply
    215,291,180.80x = 322,936,771.20 × 177,027,428.80
  4. Step 4: Simplify right side
    215,291,180.80x = 57,168,666,270,509,896
  5. Step 5: Solve for x
    x = 57,168,666,270,509,896/215,291,180.80
  6. Step 6: Final answer
    x = 265,541,143.20

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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.