Home / 295,485,947.10-443,228,920.65-90,987,450.30

Finding the Fourth Proportional to 295,485,947.10, 443,228,920.65 and 90,987,450.30

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Solution

The fourth proportional to 295,485,947.10, 443,228,920.65 and 90,987,450.30 is: 136,481,175.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,485,947.10 : 443,228,920.65 = 90,987,450.30 : x
  2. Step 2: Convert to fraction form
    295,485,947.10/443,228,920.65 = 90,987,450.30/x
  3. Step 3: Cross multiply
    295,485,947.10x = 443,228,920.65 × 90,987,450.30
  4. Step 4: Simplify right side
    295,485,947.10x = 40,328,269,389,164,512
  5. Step 5: Solve for x
    x = 40,328,269,389,164,512/295,485,947.10
  6. Step 6: Final answer
    x = 136,481,175.45

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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.