Home / 143,219,127.30-214,978,937.58-126,928,623.30

Finding the Fourth Proportional to 143,219,127.30, 214,978,937.58 and 126,928,623.30

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Solution

The fourth proportional to 143,219,127.30, 214,978,937.58 and 126,928,623.30 is: 190,526,091.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,219,127.30 : 214,978,937.58 = 126,928,623.30 : x
  2. Step 2: Convert to fraction form
    143,219,127.30/214,978,937.58 = 126,928,623.30/x
  3. Step 3: Cross multiply
    143,219,127.30x = 214,978,937.58 × 126,928,623.30
  4. Step 4: Simplify right side
    143,219,127.30x = 27,286,980,585,526,036
  5. Step 5: Solve for x
    x = 27,286,980,585,526,036/143,219,127.30
  6. Step 6: Final answer
    x = 190,526,091.73

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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.