Home / 172,037,550.80-257,757,727.80-161,288,008.40

Finding the Fourth Proportional to 172,037,550.80, 257,757,727.80 and 161,288,008.40

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Solution

The fourth proportional to 172,037,550.80, 257,757,727.80 and 161,288,008.40 is: 241,652,071.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,037,550.80 : 257,757,727.80 = 161,288,008.40 : x
  2. Step 2: Convert to fraction form
    172,037,550.80/257,757,727.80 = 161,288,008.40/x
  3. Step 3: Cross multiply
    172,037,550.80x = 257,757,727.80 × 161,288,008.40
  4. Step 4: Simplify right side
    172,037,550.80x = 41,573,230,566,571,320
  5. Step 5: Solve for x
    x = 41,573,230,566,571,320/172,037,550.80
  6. Step 6: Final answer
    x = 241,652,071.73

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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.