Home / 79,030,358.88-118,459,060.56-40,694,173.44

Finding the Fourth Proportional to 79,030,358.88, 118,459,060.56 and 40,694,173.44

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Solution

The fourth proportional to 79,030,358.88, 118,459,060.56 and 40,694,173.44 is: 60,996,731.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,030,358.88 : 118,459,060.56 = 40,694,173.44 : x
  2. Step 2: Convert to fraction form
    79,030,358.88/118,459,060.56 = 40,694,173.44/x
  3. Step 3: Cross multiply
    79,030,358.88x = 118,459,060.56 × 40,694,173.44
  4. Step 4: Simplify right side
    79,030,358.88x = 4,820,593,555,968,103
  5. Step 5: Solve for x
    x = 4,820,593,555,968,103/79,030,358.88
  6. Step 6: Final answer
    x = 60,996,731.18

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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.