Home / 121,618,379.20-182,427,568.80-30,741,968.20

Finding the Fourth Proportional to 121,618,379.20, 182,427,568.80 and 30,741,968.20

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Solution

The fourth proportional to 121,618,379.20, 182,427,568.80 and 30,741,968.20 is: 46,112,952.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,618,379.20 : 182,427,568.80 = 30,741,968.20 : x
  2. Step 2: Convert to fraction form
    121,618,379.20/182,427,568.80 = 30,741,968.20/x
  3. Step 3: Cross multiply
    121,618,379.20x = 182,427,568.80 × 30,741,968.20
  4. Step 4: Simplify right side
    121,618,379.20x = 5,608,182,518,852,912
  5. Step 5: Solve for x
    x = 5,608,182,518,852,912/121,618,379.20
  6. Step 6: Final answer
    x = 46,112,952.30

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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.