Home / 118,417,742.82-163,422,614.09-68,189,422.29

Finding the Fourth Proportional to 118,417,742.82, 163,422,614.09 and 68,189,422.29

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Solution

The fourth proportional to 118,417,742.82, 163,422,614.09 and 68,189,422.29 is: 94,104,932.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,417,742.82 : 163,422,614.09 = 68,189,422.29 : x
  2. Step 2: Convert to fraction form
    118,417,742.82/163,422,614.09 = 68,189,422.29/x
  3. Step 3: Cross multiply
    118,417,742.82x = 163,422,614.09 × 68,189,422.29
  4. Step 4: Simplify right side
    118,417,742.82x = 11,143,693,644,471,408
  5. Step 5: Solve for x
    x = 11,143,693,644,471,408/118,417,742.82
  6. Step 6: Final answer
    x = 94,104,932.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.