Home / 169,451,616.35-254,061,386.40-86,292,396.18

Finding the Fourth Proportional to 169,451,616.35, 254,061,386.40 and 86,292,396.18

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Solution

The fourth proportional to 169,451,616.35, 254,061,386.40 and 86,292,396.18 is: 129,379,502.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,451,616.35 : 254,061,386.40 = 86,292,396.18 : x
  2. Step 2: Convert to fraction form
    169,451,616.35/254,061,386.40 = 86,292,396.18/x
  3. Step 3: Cross multiply
    169,451,616.35x = 254,061,386.40 × 86,292,396.18
  4. Step 4: Simplify right side
    169,451,616.35x = 21,923,565,809,268,868
  5. Step 5: Solve for x
    x = 21,923,565,809,268,868/169,451,616.35
  6. Step 6: Final answer
    x = 129,379,502.43

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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.