Home / 172,515,234.30-238,070,073.67-94,198,230.51

Finding the Fourth Proportional to 172,515,234.30, 238,070,073.67 and 94,198,230.51

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Solution

The fourth proportional to 172,515,234.30, 238,070,073.67 and 94,198,230.51 is: 129,993,039.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,515,234.30 : 238,070,073.67 = 94,198,230.51 : x
  2. Step 2: Convert to fraction form
    172,515,234.30/238,070,073.67 = 94,198,230.51/x
  3. Step 3: Cross multiply
    172,515,234.30x = 238,070,073.67 × 94,198,230.51
  4. Step 4: Simplify right side
    172,515,234.30x = 22,425,779,677,099,340
  5. Step 5: Solve for x
    x = 22,425,779,677,099,340/172,515,234.30
  6. Step 6: Final answer
    x = 129,993,039.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.