Home / 81,557,378.88-122,317,373.90-23,263,947.30

Finding the Fourth Proportional to 81,557,378.88, 122,317,373.90 and 23,263,947.30

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Solution

The fourth proportional to 81,557,378.88, 122,317,373.90 and 23,263,947.30 is: 34,890,588.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,557,378.88 : 122,317,373.90 = 23,263,947.30 : x
  2. Step 2: Convert to fraction form
    81,557,378.88/122,317,373.90 = 23,263,947.30/x
  3. Step 3: Cross multiply
    81,557,378.88x = 122,317,373.90 × 23,263,947.30
  4. Step 4: Simplify right side
    81,557,378.88x = 2,845,584,940,283,995.50
  5. Step 5: Solve for x
    x = 2,845,584,940,283,995.50/81,557,378.88
  6. Step 6: Final answer
    x = 34,890,588.43

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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.