Home / 137,971,147.43-206,987,482.73-39,595,185.31

Finding the Fourth Proportional to 137,971,147.43, 206,987,482.73 and 39,595,185.31

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Solution

The fourth proportional to 137,971,147.43, 206,987,482.73 and 39,595,185.31 is: 59,401,605.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,971,147.43 : 206,987,482.73 = 39,595,185.31 : x
  2. Step 2: Convert to fraction form
    137,971,147.43/206,987,482.73 = 39,595,185.31/x
  3. Step 3: Cross multiply
    137,971,147.43x = 206,987,482.73 × 39,595,185.31
  4. Step 4: Simplify right side
    137,971,147.43x = 8,195,707,734,311,861
  5. Step 5: Solve for x
    x = 8,195,707,734,311,861/137,971,147.43
  6. Step 6: Final answer
    x = 59,401,605.97

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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.