Home / 236,172,142.15-325,982,380.74-137,084,812.36

Finding the Fourth Proportional to 236,172,142.15, 325,982,380.74 and 137,084,812.36

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Solution

The fourth proportional to 236,172,142.15, 325,982,380.74 and 137,084,812.36 is: 189,214,668.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,172,142.15 : 325,982,380.74 = 137,084,812.36 : x
  2. Step 2: Convert to fraction form
    236,172,142.15/325,982,380.74 = 137,084,812.36/x
  3. Step 3: Cross multiply
    236,172,142.15x = 325,982,380.74 × 137,084,812.36
  4. Step 4: Simplify right side
    236,172,142.15x = 44,687,233,496,408,984
  5. Step 5: Solve for x
    x = 44,687,233,496,408,984/236,172,142.15
  6. Step 6: Final answer
    x = 189,214,668.12

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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.