Home / 69,199,053.10-103,727,720.85-40,430,380.30

Finding the Fourth Proportional to 69,199,053.10, 103,727,720.85 and 40,430,380.30

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Solution

The fourth proportional to 69,199,053.10, 103,727,720.85 and 40,430,380.30 is: 60,604,170.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,199,053.10 : 103,727,720.85 = 40,430,380.30 : x
  2. Step 2: Convert to fraction form
    69,199,053.10/103,727,720.85 = 40,430,380.30/x
  3. Step 3: Cross multiply
    69,199,053.10x = 103,727,720.85 × 40,430,380.30
  4. Step 4: Simplify right side
    69,199,053.10x = 4,193,751,201,617,738.50
  5. Step 5: Solve for x
    x = 4,193,751,201,617,738.50/69,199,053.10
  6. Step 6: Final answer
    x = 60,604,170.34

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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.