Home / 85,102,605-127,653,910.38-21,277,197

Finding the Fourth Proportional to 85,102,605, 127,653,910.38 and 21,277,197

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Solution

The fourth proportional to 85,102,605, 127,653,910.38 and 21,277,197 is: 31,915,796.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,102,605 : 127,653,910.38 = 21,277,197 : x
  2. Step 2: Convert to fraction form
    85,102,605/127,653,910.38 = 21,277,197/x
  3. Step 3: Cross multiply
    85,102,605x = 127,653,910.38 × 21,277,197
  4. Step 4: Simplify right side
    85,102,605x = 2,716,117,398,975,605
  5. Step 5: Solve for x
    x = 2,716,117,398,975,605/85,102,605
  6. Step 6: Final answer
    x = 31,915,796.22

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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.