Home / 57,929,663.50-79,942,551-31,467,776.80

Finding the Fourth Proportional to 57,929,663.50, 79,942,551 and 31,467,776.80

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Solution

The fourth proportional to 57,929,663.50, 79,942,551 and 31,467,776.80 is: 43,425,323.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,929,663.50 : 79,942,551 = 31,467,776.80 : x
  2. Step 2: Convert to fraction form
    57,929,663.50/79,942,551 = 31,467,776.80/x
  3. Step 3: Cross multiply
    57,929,663.50x = 79,942,551 × 31,467,776.80
  4. Step 4: Simplify right side
    57,929,663.50x = 2,515,614,351,690,617
  5. Step 5: Solve for x
    x = 2,515,614,351,690,617/57,929,663.50
  6. Step 6: Final answer
    x = 43,425,323.05

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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.