Home / 72,076,270.80-108,103,908.60-20,952,958.80

Finding the Fourth Proportional to 72,076,270.80, 108,103,908.60 and 20,952,958.80

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Solution

The fourth proportional to 72,076,270.80, 108,103,908.60 and 20,952,958.80 is: 31,426,386.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,076,270.80 : 108,103,908.60 = 20,952,958.80 : x
  2. Step 2: Convert to fraction form
    72,076,270.80/108,103,908.60 = 20,952,958.80/x
  3. Step 3: Cross multiply
    72,076,270.80x = 108,103,908.60 × 20,952,958.80
  4. Step 4: Simplify right side
    72,076,270.80x = 2,265,096,743,014,765.50
  5. Step 5: Solve for x
    x = 2,265,096,743,014,765.50/72,076,270.80
  6. Step 6: Final answer
    x = 31,426,386.49

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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.