Home / 56,451,489.87-84,667,133.72-35,920,221.51

Finding the Fourth Proportional to 56,451,489.87, 84,667,133.72 and 35,920,221.51

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Solution

The fourth proportional to 56,451,489.87, 84,667,133.72 and 35,920,221.51 is: 53,873,904.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,451,489.87 : 84,667,133.72 = 35,920,221.51 : x
  2. Step 2: Convert to fraction form
    56,451,489.87/84,667,133.72 = 35,920,221.51/x
  3. Step 3: Cross multiply
    56,451,489.87x = 84,667,133.72 × 35,920,221.51
  4. Step 4: Simplify right side
    56,451,489.87x = 3,041,262,197,928,990.50
  5. Step 5: Solve for x
    x = 3,041,262,197,928,990.50/56,451,489.87
  6. Step 6: Final answer
    x = 53,873,904.92

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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.