Home / 76,642,907.88-114,965,994.46-27,461,972.84

Finding the Fourth Proportional to 76,642,907.88, 114,965,994.46 and 27,461,972.84

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Solution

The fourth proportional to 76,642,907.88, 114,965,994.46 and 27,461,972.84 is: 41,193,544.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,642,907.88 : 114,965,994.46 = 27,461,972.84 : x
  2. Step 2: Convert to fraction form
    76,642,907.88/114,965,994.46 = 27,461,972.84/x
  3. Step 3: Cross multiply
    76,642,907.88x = 114,965,994.46 × 27,461,972.84
  4. Step 4: Simplify right side
    76,642,907.88x = 3,157,193,017,384,110.50
  5. Step 5: Solve for x
    x = 3,157,193,017,384,110.50/76,642,907.88
  6. Step 6: Final answer
    x = 41,193,544.25

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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.