Home / 121,591,568.21-182,360,001.24-55,949,740.47

Finding the Fourth Proportional to 121,591,568.21, 182,360,001.24 and 55,949,740.47

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Solution

The fourth proportional to 121,591,568.21, 182,360,001.24 and 55,949,740.47 is: 83,912,025.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,591,568.21 : 182,360,001.24 = 55,949,740.47 : x
  2. Step 2: Convert to fraction form
    121,591,568.21/182,360,001.24 = 55,949,740.47/x
  3. Step 3: Cross multiply
    121,591,568.21x = 182,360,001.24 × 55,949,740.47
  4. Step 4: Simplify right side
    121,591,568.21x = 10,202,994,741,486,878
  5. Step 5: Solve for x
    x = 10,202,994,741,486,878/121,591,568.21
  6. Step 6: Final answer
    x = 83,912,025.25

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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.