Home / 85,012,343.52-117,296,217.90-47,835,375

Finding the Fourth Proportional to 85,012,343.52, 117,296,217.90 and 47,835,375

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Solution

The fourth proportional to 85,012,343.52, 117,296,217.90 and 47,835,375 is: 66,001,104.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,012,343.52 : 117,296,217.90 = 47,835,375 : x
  2. Step 2: Convert to fraction form
    85,012,343.52/117,296,217.90 = 47,835,375/x
  3. Step 3: Cross multiply
    85,012,343.52x = 117,296,217.90 × 47,835,375
  4. Step 4: Simplify right side
    85,012,343.52x = 5,610,908,569,328,213
  5. Step 5: Solve for x
    x = 5,610,908,569,328,213/85,012,343.52
  6. Step 6: Final answer
    x = 66,001,104.51

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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.