Home / 171,695,434.38-257,628,335.25-68,062,449.21

Finding the Fourth Proportional to 171,695,434.38, 257,628,335.25 and 68,062,449.21

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Solution

The fourth proportional to 171,695,434.38, 257,628,335.25 and 68,062,449.21 is: 102,127,441.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,695,434.38 : 257,628,335.25 = 68,062,449.21 : x
  2. Step 2: Convert to fraction form
    171,695,434.38/257,628,335.25 = 68,062,449.21/x
  3. Step 3: Cross multiply
    171,695,434.38x = 257,628,335.25 × 68,062,449.21
  4. Step 4: Simplify right side
    171,695,434.38x = 17,534,815,483,009,976
  5. Step 5: Solve for x
    x = 17,534,815,483,009,976/171,695,434.38
  6. Step 6: Final answer
    x = 102,127,441.81

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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.