Home / 87,296,857.05-120,472,570.10-47,606,558.97

Finding the Fourth Proportional to 87,296,857.05, 120,472,570.10 and 47,606,558.97

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Solution

The fourth proportional to 87,296,857.05, 120,472,570.10 and 47,606,558.97 is: 65,698,636.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,296,857.05 : 120,472,570.10 = 47,606,558.97 : x
  2. Step 2: Convert to fraction form
    87,296,857.05/120,472,570.10 = 47,606,558.97/x
  3. Step 3: Cross multiply
    87,296,857.05x = 120,472,570.10 × 47,606,558.97
  4. Step 4: Simplify right side
    87,296,857.05x = 5,735,284,512,852,125
  5. Step 5: Solve for x
    x = 5,735,284,512,852,125/87,296,857.05
  6. Step 6: Final answer
    x = 65,698,636.89

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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.