Home / 56,282,709.87-77,669,336.30-31,162,418.48

Finding the Fourth Proportional to 56,282,709.87, 77,669,336.30 and 31,162,418.48

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Solution

The fourth proportional to 56,282,709.87, 77,669,336.30 and 31,162,418.48 is: 43,003,692.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,282,709.87 : 77,669,336.30 = 31,162,418.48 : x
  2. Step 2: Convert to fraction form
    56,282,709.87/77,669,336.30 = 31,162,418.48/x
  3. Step 3: Cross multiply
    56,282,709.87x = 77,669,336.30 × 31,162,418.48
  4. Step 4: Simplify right side
    56,282,709.87x = 2,420,364,360,882,816.50
  5. Step 5: Solve for x
    x = 2,420,364,360,882,816.50/56,282,709.87
  6. Step 6: Final answer
    x = 43,003,692.72

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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.