Home / 133,076,163.20-199,399,627.20-75,396,905.60

Finding the Fourth Proportional to 133,076,163.20, 199,399,627.20 and 75,396,905.60

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Solution

The fourth proportional to 133,076,163.20, 199,399,627.20 and 75,396,905.60 is: 112,973,762.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,076,163.20 : 199,399,627.20 = 75,396,905.60 : x
  2. Step 2: Convert to fraction form
    133,076,163.20/199,399,627.20 = 75,396,905.60/x
  3. Step 3: Cross multiply
    133,076,163.20x = 199,399,627.20 × 75,396,905.60
  4. Step 4: Simplify right side
    133,076,163.20x = 15,034,114,868,673,590
  5. Step 5: Solve for x
    x = 15,034,114,868,673,590/133,076,163.20
  6. Step 6: Final answer
    x = 112,973,762.60

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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.