Home / 155,511,843.53-214,607,075.52-84,948,432.69

Finding the Fourth Proportional to 155,511,843.53, 214,607,075.52 and 84,948,432.69

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Solution

The fourth proportional to 155,511,843.53, 214,607,075.52 and 84,948,432.69 is: 117,229,236.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,511,843.53 : 214,607,075.52 = 84,948,432.69 : x
  2. Step 2: Convert to fraction form
    155,511,843.53/214,607,075.52 = 84,948,432.69/x
  3. Step 3: Cross multiply
    155,511,843.53x = 214,607,075.52 × 84,948,432.69
  4. Step 4: Simplify right side
    155,511,843.53x = 18,230,534,709,396,096
  5. Step 5: Solve for x
    x = 18,230,534,709,396,096/155,511,843.53
  6. Step 6: Final answer
    x = 117,229,236.67

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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.