Home / 71,172,043.20-106,758,064.80-61,558,866

Finding the Fourth Proportional to 71,172,043.20, 106,758,064.80 and 61,558,866

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Solution

The fourth proportional to 71,172,043.20, 106,758,064.80 and 61,558,866 is: 92,338,299

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,172,043.20 : 106,758,064.80 = 61,558,866 : x
  2. Step 2: Convert to fraction form
    71,172,043.20/106,758,064.80 = 61,558,866/x
  3. Step 3: Cross multiply
    71,172,043.20x = 106,758,064.80 × 61,558,866
  4. Step 4: Simplify right side
    71,172,043.20x = 6,571,905,405,442,517
  5. Step 5: Solve for x
    x = 6,571,905,405,442,517/71,172,043.20
  6. Step 6: Final answer
    x = 92,338,299

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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.