Home / 117,687,204.36-162,409,829.40-64,770,002.82

Finding the Fourth Proportional to 117,687,204.36, 162,409,829.40 and 64,770,002.82

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Solution

The fourth proportional to 117,687,204.36, 162,409,829.40 and 64,770,002.82 is: 89,383,422.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,687,204.36 : 162,409,829.40 = 64,770,002.82 : x
  2. Step 2: Convert to fraction form
    117,687,204.36/162,409,829.40 = 64,770,002.82/x
  3. Step 3: Cross multiply
    117,687,204.36x = 162,409,829.40 × 64,770,002.82
  4. Step 4: Simplify right side
    117,687,204.36x = 10,519,285,108,233,720
  5. Step 5: Solve for x
    x = 10,519,285,108,233,720/117,687,204.36
  6. Step 6: Final answer
    x = 89,383,422.48

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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.