Home / 172,438,519.40-258,757,311.90-64,744,029.80

Finding the Fourth Proportional to 172,438,519.40, 258,757,311.90 and 64,744,029.80

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Solution

The fourth proportional to 172,438,519.40, 258,757,311.90 and 64,744,029.80 is: 97,153,415.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,438,519.40 : 258,757,311.90 = 64,744,029.80 : x
  2. Step 2: Convert to fraction form
    172,438,519.40/258,757,311.90 = 64,744,029.80/x
  3. Step 3: Cross multiply
    172,438,519.40x = 258,757,311.90 × 64,744,029.80
  4. Step 4: Simplify right side
    172,438,519.40x = 16,752,991,112,621,494
  5. Step 5: Solve for x
    x = 16,752,991,112,621,494/172,438,519.40
  6. Step 6: Final answer
    x = 97,153,415.44

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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.