Home / 78,048,816-116,945,504.24-47,250,043.44

Finding the Fourth Proportional to 78,048,816, 116,945,504.24 and 47,250,043.44

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Solution

The fourth proportional to 78,048,816, 116,945,504.24 and 47,250,043.44 is: 70,797,744.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,048,816 : 116,945,504.24 = 47,250,043.44 : x
  2. Step 2: Convert to fraction form
    78,048,816/116,945,504.24 = 47,250,043.44/x
  3. Step 3: Cross multiply
    78,048,816x = 116,945,504.24 × 47,250,043.44
  4. Step 4: Simplify right side
    78,048,816x = 5,525,680,155,452,704
  5. Step 5: Solve for x
    x = 5,525,680,155,452,704/78,048,816
  6. Step 6: Final answer
    x = 70,797,744.78

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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.