Home / 49,789,352.40-74,684,028.60-19,487,144.40

Finding the Fourth Proportional to 49,789,352.40, 74,684,028.60 and 19,487,144.40

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Solution

The fourth proportional to 49,789,352.40, 74,684,028.60 and 19,487,144.40 is: 29,230,716.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,789,352.40 : 74,684,028.60 = 19,487,144.40 : x
  2. Step 2: Convert to fraction form
    49,789,352.40/74,684,028.60 = 19,487,144.40/x
  3. Step 3: Cross multiply
    49,789,352.40x = 74,684,028.60 × 19,487,144.40
  4. Step 4: Simplify right side
    49,789,352.40x = 1,455,378,449,701,929.50
  5. Step 5: Solve for x
    x = 1,455,378,449,701,929.50/49,789,352.40
  6. Step 6: Final answer
    x = 29,230,716.60

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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.