Home / 211,313,227.07-316,991,558.89-73,138,608.08

Finding the Fourth Proportional to 211,313,227.07, 316,991,558.89 and 73,138,608.08

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Solution

The fourth proportional to 211,313,227.07, 316,991,558.89 and 73,138,608.08 is: 109,715,429.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,313,227.07 : 316,991,558.89 = 73,138,608.08 : x
  2. Step 2: Convert to fraction form
    211,313,227.07/316,991,558.89 = 73,138,608.08/x
  3. Step 3: Cross multiply
    211,313,227.07x = 316,991,558.89 × 73,138,608.08
  4. Step 4: Simplify right side
    211,313,227.07x = 23,184,321,389,605,900
  5. Step 5: Solve for x
    x = 23,184,321,389,605,900/211,313,227.07
  6. Step 6: Final answer
    x = 109,715,429.13

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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.