Home / 215,291,216.80-322,936,825.20-177,027,464.80

Finding the Fourth Proportional to 215,291,216.80, 322,936,825.20 and 177,027,464.80

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Solution

The fourth proportional to 215,291,216.80, 322,936,825.20 and 177,027,464.80 is: 265,541,197.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,291,216.80 : 322,936,825.20 = 177,027,464.80 : x
  2. Step 2: Convert to fraction form
    215,291,216.80/322,936,825.20 = 177,027,464.80/x
  3. Step 3: Cross multiply
    215,291,216.80x = 322,936,825.20 × 177,027,464.80
  4. Step 4: Simplify right side
    215,291,216.80x = 57,168,687,455,716,752
  5. Step 5: Solve for x
    x = 57,168,687,455,716,752/215,291,216.80
  6. Step 6: Final answer
    x = 265,541,197.20

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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.