Home / 80,881,712.10-121,322,568.15-35,532,080.10

Finding the Fourth Proportional to 80,881,712.10, 121,322,568.15 and 35,532,080.10

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Solution

The fourth proportional to 80,881,712.10, 121,322,568.15 and 35,532,080.10 is: 53,298,120.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,881,712.10 : 121,322,568.15 = 35,532,080.10 : x
  2. Step 2: Convert to fraction form
    80,881,712.10/121,322,568.15 = 35,532,080.10/x
  3. Step 3: Cross multiply
    80,881,712.10x = 121,322,568.15 × 35,532,080.10
  4. Step 4: Simplify right side
    80,881,712.10x = 4,310,843,209,443,509
  5. Step 5: Solve for x
    x = 4,310,843,209,443,509/80,881,712.10
  6. Step 6: Final answer
    x = 53,298,120.15

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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.