Home / 141,969,611.20-212,954,416.80-73,094,857.60

Finding the Fourth Proportional to 141,969,611.20, 212,954,416.80 and 73,094,857.60

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Solution

The fourth proportional to 141,969,611.20, 212,954,416.80 and 73,094,857.60 is: 109,642,286.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,969,611.20 : 212,954,416.80 = 73,094,857.60 : x
  2. Step 2: Convert to fraction form
    141,969,611.20/212,954,416.80 = 73,094,857.60/x
  3. Step 3: Cross multiply
    141,969,611.20x = 212,954,416.80 × 73,094,857.60
  4. Step 4: Simplify right side
    141,969,611.20x = 15,565,872,771,287,048
  5. Step 5: Solve for x
    x = 15,565,872,771,287,048/141,969,611.20
  6. Step 6: Final answer
    x = 109,642,286.40

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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.