Home / 71,548,465.80-107,322,698.70-66,765,496.80

Finding the Fourth Proportional to 71,548,465.80, 107,322,698.70 and 66,765,496.80

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Solution

The fourth proportional to 71,548,465.80, 107,322,698.70 and 66,765,496.80 is: 100,148,245.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,548,465.80 : 107,322,698.70 = 66,765,496.80 : x
  2. Step 2: Convert to fraction form
    71,548,465.80/107,322,698.70 = 66,765,496.80/x
  3. Step 3: Cross multiply
    71,548,465.80x = 107,322,698.70 × 66,765,496.80
  4. Step 4: Simplify right side
    71,548,465.80x = 7,165,453,296,622,214
  5. Step 5: Solve for x
    x = 7,165,453,296,622,214/71,548,465.80
  6. Step 6: Final answer
    x = 100,148,245.20

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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.