Home / 69,463,440.66-104,210,207.52-20,937,234.90

Finding the Fourth Proportional to 69,463,440.66, 104,210,207.52 and 20,937,234.90

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Solution

The fourth proportional to 69,463,440.66, 104,210,207.52 and 20,937,234.90 is: 31,410,387.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,463,440.66 : 104,210,207.52 = 20,937,234.90 : x
  2. Step 2: Convert to fraction form
    69,463,440.66/104,210,207.52 = 20,937,234.90/x
  3. Step 3: Cross multiply
    69,463,440.66x = 104,210,207.52 × 20,937,234.90
  4. Step 4: Simplify right side
    69,463,440.66x = 2,181,873,593,823,986.25
  5. Step 5: Solve for x
    x = 2,181,873,593,823,986.25/69,463,440.66
  6. Step 6: Final answer
    x = 31,410,387.58

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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.