Home / 146,020,375-219,245,877.06-81,450,337.24

Finding the Fourth Proportional to 146,020,375, 219,245,877.06 and 81,450,337.24

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Solution

The fourth proportional to 146,020,375, 219,245,877.06 and 81,450,337.24 is: 122,295,608.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,020,375 : 219,245,877.06 = 81,450,337.24 : x
  2. Step 2: Convert to fraction form
    146,020,375/219,245,877.06 = 81,450,337.24/x
  3. Step 3: Cross multiply
    146,020,375x = 219,245,877.06 × 81,450,337.24
  4. Step 4: Simplify right side
    146,020,375x = 17,857,650,625,016,578
  5. Step 5: Solve for x
    x = 17,857,650,625,016,578/146,020,375
  6. Step 6: Final answer
    x = 122,295,608.58

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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.