Home / 54,582,568.80-81,649,904.40-49,207,797.60

Finding the Fourth Proportional to 54,582,568.80, 81,649,904.40 and 49,207,797.60

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Solution

The fourth proportional to 54,582,568.80, 81,649,904.40 and 49,207,797.60 is: 73,609,799.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,582,568.80 : 81,649,904.40 = 49,207,797.60 : x
  2. Step 2: Convert to fraction form
    54,582,568.80/81,649,904.40 = 49,207,797.60/x
  3. Step 3: Cross multiply
    54,582,568.80x = 81,649,904.40 × 49,207,797.60
  4. Step 4: Simplify right side
    54,582,568.80x = 4,017,811,969,774,550
  5. Step 5: Solve for x
    x = 4,017,811,969,774,550/54,582,568.80
  6. Step 6: Final answer
    x = 73,609,799.94

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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.