Home / 172,917,638.22-259,376,137.52-56,332,855.02

Finding the Fourth Proportional to 172,917,638.22, 259,376,137.52 and 56,332,855.02

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Solution

The fourth proportional to 172,917,638.22, 259,376,137.52 and 56,332,855.02 is: 84,499,178.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,917,638.22 : 259,376,137.52 = 56,332,855.02 : x
  2. Step 2: Convert to fraction form
    172,917,638.22/259,376,137.52 = 56,332,855.02/x
  3. Step 3: Cross multiply
    172,917,638.22x = 259,376,137.52 × 56,332,855.02
  4. Step 4: Simplify right side
    172,917,638.22x = 14,611,398,350,561,744
  5. Step 5: Solve for x
    x = 14,611,398,350,561,744/172,917,638.22
  6. Step 6: Final answer
    x = 84,499,178.34

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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.