Home / 171,906,477.80-257,292,846.30-120,888,141.80

Finding the Fourth Proportional to 171,906,477.80, 257,292,846.30 and 120,888,141.80

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Solution

The fourth proportional to 171,906,477.80, 257,292,846.30 and 120,888,141.80 is: 180,933,577.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,906,477.80 : 257,292,846.30 = 120,888,141.80 : x
  2. Step 2: Convert to fraction form
    171,906,477.80/257,292,846.30 = 120,888,141.80/x
  3. Step 3: Cross multiply
    171,906,477.80x = 257,292,846.30 × 120,888,141.80
  4. Step 4: Simplify right side
    171,906,477.80x = 31,103,654,087,640,008
  5. Step 5: Solve for x
    x = 31,103,654,087,640,008/171,906,477.80
  6. Step 6: Final answer
    x = 180,933,577.87

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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.