Home / 75,540,621.87-104,246,063.37-42,945,573.87

Finding the Fourth Proportional to 75,540,621.87, 104,246,063.37 and 42,945,573.87

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Solution

The fourth proportional to 75,540,621.87, 104,246,063.37 and 42,945,573.87 is: 59,264,894.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,540,621.87 : 104,246,063.37 = 42,945,573.87 : x
  2. Step 2: Convert to fraction form
    75,540,621.87/104,246,063.37 = 42,945,573.87/x
  3. Step 3: Cross multiply
    75,540,621.87x = 104,246,063.37 × 42,945,573.87
  4. Step 4: Simplify right side
    75,540,621.87x = 4,476,907,015,113,036
  5. Step 5: Solve for x
    x = 4,476,907,015,113,036/75,540,621.87
  6. Step 6: Final answer
    x = 59,264,894.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.