Home / 84,485,375.88-116,569,835.82-47,815,946.88

Finding the Fourth Proportional to 84,485,375.88, 116,569,835.82 and 47,815,946.88

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Solution

The fourth proportional to 84,485,375.88, 116,569,835.82 and 47,815,946.88 is: 65,974,697.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,485,375.88 : 116,569,835.82 = 47,815,946.88 : x
  2. Step 2: Convert to fraction form
    84,485,375.88/116,569,835.82 = 47,815,946.88/x
  3. Step 3: Cross multiply
    84,485,375.88x = 116,569,835.82 × 47,815,946.88
  4. Step 4: Simplify right side
    84,485,375.88x = 5,573,897,077,379,441
  5. Step 5: Solve for x
    x = 5,573,897,077,379,441/84,485,375.88
  6. Step 6: Final answer
    x = 65,974,697.03

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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.