Home / 72,410,636.40-108,531,973.80-29,251,503.60

Finding the Fourth Proportional to 72,410,636.40, 108,531,973.80 and 29,251,503.60

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Solution

The fourth proportional to 72,410,636.40, 108,531,973.80 and 29,251,503.60 is: 43,843,329.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,410,636.40 : 108,531,973.80 = 29,251,503.60 : x
  2. Step 2: Convert to fraction form
    72,410,636.40/108,531,973.80 = 29,251,503.60/x
  3. Step 3: Cross multiply
    72,410,636.40x = 108,531,973.80 × 29,251,503.60
  4. Step 4: Simplify right side
    72,410,636.40x = 3,174,723,422,325,806
  5. Step 5: Solve for x
    x = 3,174,723,422,325,806/72,410,636.40
  6. Step 6: Final answer
    x = 43,843,329.93

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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.