Home / 57,681,788.33-79,600,861.49-31,220,137.63

Finding the Fourth Proportional to 57,681,788.33, 79,600,861.49 and 31,220,137.63

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Solution

The fourth proportional to 57,681,788.33, 79,600,861.49 and 31,220,137.63 is: 43,083,786.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,681,788.33 : 79,600,861.49 = 31,220,137.63 : x
  2. Step 2: Convert to fraction form
    57,681,788.33/79,600,861.49 = 31,220,137.63/x
  3. Step 3: Cross multiply
    57,681,788.33x = 79,600,861.49 × 31,220,137.63
  4. Step 4: Simplify right side
    57,681,788.33x = 2,485,149,851,127,767.50
  5. Step 5: Solve for x
    x = 2,485,149,851,127,767.50/57,681,788.33
  6. Step 6: Final answer
    x = 43,083,786.46

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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.