Home / 274,726,464.21-412,153,436.88-90,487,328.71

Finding the Fourth Proportional to 274,726,464.21, 412,153,436.88 and 90,487,328.71

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Solution

The fourth proportional to 274,726,464.21, 412,153,436.88 and 90,487,328.71 is: 135,751,987.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,726,464.21 : 412,153,436.88 = 90,487,328.71 : x
  2. Step 2: Convert to fraction form
    274,726,464.21/412,153,436.88 = 90,487,328.71/x
  3. Step 3: Cross multiply
    274,726,464.21x = 412,153,436.88 × 90,487,328.71
  4. Step 4: Simplify right side
    274,726,464.21x = 37,294,663,519,856,032
  5. Step 5: Solve for x
    x = 37,294,663,519,856,032/274,726,464.21
  6. Step 6: Final answer
    x = 135,751,987.44

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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.