Home / 360,008,011.44-540,008,080.56-87,378,778.44

Finding the Fourth Proportional to 360,008,011.44, 540,008,080.56 and 87,378,778.44

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Solution

The fourth proportional to 360,008,011.44, 540,008,080.56 and 87,378,778.44 is: 131,067,212.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,008,011.44 : 540,008,080.56 = 87,378,778.44 : x
  2. Step 2: Convert to fraction form
    360,008,011.44/540,008,080.56 = 87,378,778.44/x
  3. Step 3: Cross multiply
    360,008,011.44x = 540,008,080.56 × 87,378,778.44
  4. Step 4: Simplify right side
    360,008,011.44x = 47,185,246,427,061,904
  5. Step 5: Solve for x
    x = 47,185,246,427,061,904/360,008,011.44
  6. Step 6: Final answer
    x = 131,067,212.19

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1.5x scale

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.