Home / 71,869,622.40-107,804,433.60-26,422,012.80

Finding the Fourth Proportional to 71,869,622.40, 107,804,433.60 and 26,422,012.80

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Solution

The fourth proportional to 71,869,622.40, 107,804,433.60 and 26,422,012.80 is: 39,633,019.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,869,622.40 : 107,804,433.60 = 26,422,012.80 : x
  2. Step 2: Convert to fraction form
    71,869,622.40/107,804,433.60 = 26,422,012.80/x
  3. Step 3: Cross multiply
    71,869,622.40x = 107,804,433.60 × 26,422,012.80
  4. Step 4: Simplify right side
    71,869,622.40x = 2,848,410,124,475,950
  5. Step 5: Solve for x
    x = 2,848,410,124,475,950/71,869,622.40
  6. Step 6: Final answer
    x = 39,633,019.20

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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.