Home / 76,464,008.60-114,621,363.30-68,401,851.80

Finding the Fourth Proportional to 76,464,008.60, 114,621,363.30 and 68,401,851.80

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Solution

The fourth proportional to 76,464,008.60, 114,621,363.30 and 68,401,851.80 is: 102,535,998.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,464,008.60 : 114,621,363.30 = 68,401,851.80 : x
  2. Step 2: Convert to fraction form
    76,464,008.60/114,621,363.30 = 68,401,851.80/x
  3. Step 3: Cross multiply
    76,464,008.60x = 114,621,363.30 × 68,401,851.80
  4. Step 4: Simplify right side
    76,464,008.60x = 7,840,313,505,560,558
  5. Step 5: Solve for x
    x = 7,840,313,505,560,558/76,464,008.60
  6. Step 6: Final answer
    x = 102,535,998.95

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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.