Home / 39,132,136.37-54,023,313.93-30,171,675.13

Finding the Fourth Proportional to 39,132,136.37, 54,023,313.93 and 30,171,675.13

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Solution

The fourth proportional to 39,132,136.37, 54,023,313.93 and 30,171,675.13 is: 41,653,076.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,132,136.37 : 54,023,313.93 = 30,171,675.13 : x
  2. Step 2: Convert to fraction form
    39,132,136.37/54,023,313.93 = 30,171,675.13/x
  3. Step 3: Cross multiply
    39,132,136.37x = 54,023,313.93 × 30,171,675.13
  4. Step 4: Simplify right side
    39,132,136.37x = 1,629,973,876,920,988.50
  5. Step 5: Solve for x
    x = 1,629,973,876,920,988.50/39,132,136.37
  6. Step 6: Final answer
    x = 41,653,076.68

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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.