Home / 69,463,434.52-104,210,198.34-20,937,228.76

Finding the Fourth Proportional to 69,463,434.52, 104,210,198.34 and 20,937,228.76

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Solution

The fourth proportional to 69,463,434.52, 104,210,198.34 and 20,937,228.76 is: 31,410,378.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,463,434.52 : 104,210,198.34 = 20,937,228.76 : x
  2. Step 2: Convert to fraction form
    69,463,434.52/104,210,198.34 = 20,937,228.76/x
  3. Step 3: Cross multiply
    69,463,434.52x = 104,210,198.34 × 20,937,228.76
  4. Step 4: Simplify right side
    69,463,434.52x = 2,181,872,761,769,552.50
  5. Step 5: Solve for x
    x = 2,181,872,761,769,552.50/69,463,434.52
  6. Step 6: Final answer
    x = 31,410,378.38

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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.