Home / 85,171,161.30-127,710,085.95-41,945,310.42

Finding the Fourth Proportional to 85,171,161.30, 127,710,085.95 and 41,945,310.42

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Solution

The fourth proportional to 85,171,161.30, 127,710,085.95 and 41,945,310.42 is: 62,894,988.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,171,161.30 : 127,710,085.95 = 41,945,310.42 : x
  2. Step 2: Convert to fraction form
    85,171,161.30/127,710,085.95 = 41,945,310.42/x
  3. Step 3: Cross multiply
    85,171,161.30x = 127,710,085.95 × 41,945,310.42
  4. Step 4: Simplify right side
    85,171,161.30x = 5,356,839,198,937,631
  5. Step 5: Solve for x
    x = 5,356,839,198,937,631/85,171,161.30
  6. Step 6: Final answer
    x = 62,894,988.36

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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.