Home / 172,611,155.91-259,018,885.25-63,512,940.87

Finding the Fourth Proportional to 172,611,155.91, 259,018,885.25 and 63,512,940.87

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Solution

The fourth proportional to 172,611,155.91, 259,018,885.25 and 63,512,940.87 is: 95,306,998.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,611,155.91 : 259,018,885.25 = 63,512,940.87 : x
  2. Step 2: Convert to fraction form
    172,611,155.91/259,018,885.25 = 63,512,940.87/x
  3. Step 3: Cross multiply
    172,611,155.91x = 259,018,885.25 × 63,512,940.87
  4. Step 4: Simplify right side
    172,611,155.91x = 16,451,051,142,779,000
  5. Step 5: Solve for x
    x = 16,451,051,142,779,000/172,611,155.91
  6. Step 6: Final answer
    x = 95,306,998.30

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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.