Home / 252,461,822.80-378,471,550.20-171,420,005.20

Finding the Fourth Proportional to 252,461,822.80, 378,471,550.20 and 171,420,005.20

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Solution

The fourth proportional to 252,461,822.80, 378,471,550.20 and 171,420,005.20 is: 256,979,825.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,461,822.80 : 378,471,550.20 = 171,420,005.20 : x
  2. Step 2: Convert to fraction form
    252,461,822.80/378,471,550.20 = 171,420,005.20/x
  3. Step 3: Cross multiply
    252,461,822.80x = 378,471,550.20 × 171,420,005.20
  4. Step 4: Simplify right side
    252,461,822.80x = 64,877,595,103,336,056
  5. Step 5: Solve for x
    x = 64,877,595,103,336,056/252,461,822.80
  6. Step 6: Final answer
    x = 256,979,825.24

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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.