Home / 137,707,005.56-206,587,766.46-39,339,561.20

Finding the Fourth Proportional to 137,707,005.56, 206,587,766.46 and 39,339,561.20

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Solution

The fourth proportional to 137,707,005.56, 206,587,766.46 and 39,339,561.20 is: 59,017,128.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,707,005.56 : 206,587,766.46 = 39,339,561.20 : x
  2. Step 2: Convert to fraction form
    137,707,005.56/206,587,766.46 = 39,339,561.20/x
  3. Step 3: Cross multiply
    137,707,005.56x = 206,587,766.46 × 39,339,561.20
  4. Step 4: Simplify right side
    137,707,005.56x = 8,127,072,081,824,478
  5. Step 5: Solve for x
    x = 8,127,072,081,824,478/137,707,005.56
  6. Step 6: Final answer
    x = 59,017,128.79

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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.