Home / 146,436,483.90-202,085,435.04-80,356,404.15

Finding the Fourth Proportional to 146,436,483.90, 202,085,435.04 and 80,356,404.15

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Solution

The fourth proportional to 146,436,483.90, 202,085,435.04 and 80,356,404.15 is: 110,893,531.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,436,483.90 : 202,085,435.04 = 80,356,404.15 : x
  2. Step 2: Convert to fraction form
    146,436,483.90/202,085,435.04 = 80,356,404.15/x
  3. Step 3: Cross multiply
    146,436,483.90x = 202,085,435.04 × 80,356,404.15
  4. Step 4: Simplify right side
    146,436,483.90x = 16,238,858,890,902,812
  5. Step 5: Solve for x
    x = 16,238,858,890,902,812/146,436,483.90
  6. Step 6: Final answer
    x = 110,893,531.85

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Why These Related Problems?

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