Home / 143,694,308.55-215,541,462.83-83,228,132.55

Finding the Fourth Proportional to 143,694,308.55, 215,541,462.83 and 83,228,132.55

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Solution

The fourth proportional to 143,694,308.55, 215,541,462.83 and 83,228,132.55 is: 124,842,198.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,694,308.55 : 215,541,462.83 = 83,228,132.55 : x
  2. Step 2: Convert to fraction form
    143,694,308.55/215,541,462.83 = 83,228,132.55/x
  3. Step 3: Cross multiply
    143,694,308.55x = 215,541,462.83 × 83,228,132.55
  4. Step 4: Simplify right side
    143,694,308.55x = 17,939,113,438,019,996
  5. Step 5: Solve for x
    x = 17,939,113,438,019,996/143,694,308.55
  6. Step 6: Final answer
    x = 124,842,198.83

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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.