Home / 71,913,565.85-107,947,112.40-30,993,199.34

Finding the Fourth Proportional to 71,913,565.85, 107,947,112.40 and 30,993,199.34

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Solution

The fourth proportional to 71,913,565.85, 107,947,112.40 and 30,993,199.34 is: 46,522,882.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,913,565.85 : 107,947,112.40 = 30,993,199.34 : x
  2. Step 2: Convert to fraction form
    71,913,565.85/107,947,112.40 = 30,993,199.34/x
  3. Step 3: Cross multiply
    71,913,565.85x = 107,947,112.40 × 30,993,199.34
  4. Step 4: Simplify right side
    71,913,565.85x = 3,345,626,372,790,586
  5. Step 5: Solve for x
    x = 3,345,626,372,790,586/71,913,565.85
  6. Step 6: Final answer
    x = 46,522,882.48

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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.