Home / 214,945,727.21-322,437,953.30-69,382,739.69

Finding the Fourth Proportional to 214,945,727.21, 322,437,953.30 and 69,382,739.69

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Solution

The fourth proportional to 214,945,727.21, 322,437,953.30 and 69,382,739.69 is: 104,080,359.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,945,727.21 : 322,437,953.30 = 69,382,739.69 : x
  2. Step 2: Convert to fraction form
    214,945,727.21/322,437,953.30 = 69,382,739.69/x
  3. Step 3: Cross multiply
    214,945,727.21x = 322,437,953.30 × 69,382,739.69
  4. Step 4: Simplify right side
    214,945,727.21x = 22,371,628,579,990,276
  5. Step 5: Solve for x
    x = 22,371,628,579,990,276/214,945,727.21
  6. Step 6: Final answer
    x = 104,080,359.59

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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.