Home / 112,371,043.20-155,084,624.64-63,481,620.48

Finding the Fourth Proportional to 112,371,043.20, 155,084,624.64 and 63,481,620.48

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Solution

The fourth proportional to 112,371,043.20, 155,084,624.64 and 63,481,620.48 is: 87,611,745.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,371,043.20 : 155,084,624.64 = 63,481,620.48 : x
  2. Step 2: Convert to fraction form
    112,371,043.20/155,084,624.64 = 63,481,620.48/x
  3. Step 3: Cross multiply
    112,371,043.20x = 155,084,624.64 × 63,481,620.48
  4. Step 4: Simplify right side
    112,371,043.20x = 9,845,023,283,679,736
  5. Step 5: Solve for x
    x = 9,845,023,283,679,736/112,371,043.20
  6. Step 6: Final answer
    x = 87,611,745.90

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.