Home / 147,153,245.89-220,722,531.68-55,030,211.33

Finding the Fourth Proportional to 147,153,245.89, 220,722,531.68 and 55,030,211.33

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Solution

The fourth proportional to 147,153,245.89, 220,722,531.68 and 55,030,211.33 is: 82,542,573.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,153,245.89 : 220,722,531.68 = 55,030,211.33 : x
  2. Step 2: Convert to fraction form
    147,153,245.89/220,722,531.68 = 55,030,211.33/x
  3. Step 3: Cross multiply
    147,153,245.89x = 220,722,531.68 × 55,030,211.33
  4. Step 4: Simplify right side
    147,153,245.89x = 12,146,407,562,367,162
  5. Step 5: Solve for x
    x = 12,146,407,562,367,162/147,153,245.89
  6. Step 6: Final answer
    x = 82,542,573.15

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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.