Home / 72,628,302.44-100,224,041.52-39,587,824.46

Finding the Fourth Proportional to 72,628,302.44, 100,224,041.52 and 39,587,824.46

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Solution

The fourth proportional to 72,628,302.44, 100,224,041.52 and 39,587,824.46 is: 54,629,553.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,628,302.44 : 100,224,041.52 = 39,587,824.46 : x
  2. Step 2: Convert to fraction form
    72,628,302.44/100,224,041.52 = 39,587,824.46/x
  3. Step 3: Cross multiply
    72,628,302.44x = 100,224,041.52 × 39,587,824.46
  4. Step 4: Simplify right side
    72,628,302.44x = 3,967,651,762,365,511.50
  5. Step 5: Solve for x
    x = 3,967,651,762,365,511.50/72,628,302.44
  6. Step 6: Final answer
    x = 54,629,553.89

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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.