Home / 213,894,163.60-320,841,245.40-99,102,907.60

Finding the Fourth Proportional to 213,894,163.60, 320,841,245.40 and 99,102,907.60

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Solution

The fourth proportional to 213,894,163.60, 320,841,245.40 and 99,102,907.60 is: 148,654,361.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,894,163.60 : 320,841,245.40 = 99,102,907.60 : x
  2. Step 2: Convert to fraction form
    213,894,163.60/320,841,245.40 = 99,102,907.60/x
  3. Step 3: Cross multiply
    213,894,163.60x = 320,841,245.40 × 99,102,907.60
  4. Step 4: Simplify right side
    213,894,163.60x = 31,796,300,297,145,120
  5. Step 5: Solve for x
    x = 31,796,300,297,145,120/213,894,163.60
  6. Step 6: Final answer
    x = 148,654,361.40

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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.