Home / 70,131,049.86-96,780,979.94-39,191,219.18

Finding the Fourth Proportional to 70,131,049.86, 96,780,979.94 and 39,191,219.18

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Solution

The fourth proportional to 70,131,049.86, 96,780,979.94 and 39,191,219.18 is: 54,083,955.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,131,049.86 : 96,780,979.94 = 39,191,219.18 : x
  2. Step 2: Convert to fraction form
    70,131,049.86/96,780,979.94 = 39,191,219.18/x
  3. Step 3: Cross multiply
    70,131,049.86x = 96,780,979.94 × 39,191,219.18
  4. Step 4: Simplify right side
    70,131,049.86x = 3,792,964,597,283,723
  5. Step 5: Solve for x
    x = 3,792,964,597,283,723/70,131,049.86
  6. Step 6: Final answer
    x = 54,083,955.75

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.