Home / 76,464,000.60-114,621,351.30-68,401,843.80

Finding the Fourth Proportional to 76,464,000.60, 114,621,351.30 and 68,401,843.80

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Solution

The fourth proportional to 76,464,000.60, 114,621,351.30 and 68,401,843.80 is: 102,535,986.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,464,000.60 : 114,621,351.30 = 68,401,843.80 : x
  2. Step 2: Convert to fraction form
    76,464,000.60/114,621,351.30 = 68,401,843.80/x
  3. Step 3: Cross multiply
    76,464,000.60x = 114,621,351.30 × 68,401,843.80
  4. Step 4: Simplify right side
    76,464,000.60x = 7,840,311,767,767,526
  5. Step 5: Solve for x
    x = 7,840,311,767,767,526/76,464,000.60
  6. Step 6: Final answer
    x = 102,535,986.95

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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.