Home / 339,980,406.55-510,096,581.03-135,655,120.15

Finding the Fourth Proportional to 339,980,406.55, 510,096,581.03 and 135,655,120.15

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Solution

The fourth proportional to 339,980,406.55, 510,096,581.03 and 135,655,120.15 is: 203,532,943.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,980,406.55 : 510,096,581.03 = 135,655,120.15 : x
  2. Step 2: Convert to fraction form
    339,980,406.55/510,096,581.03 = 135,655,120.15/x
  3. Step 3: Cross multiply
    339,980,406.55x = 510,096,581.03 × 135,655,120.15
  4. Step 4: Simplify right side
    339,980,406.55x = 69,197,212,987,728,856
  5. Step 5: Solve for x
    x = 69,197,212,987,728,856/339,980,406.55
  6. Step 6: Final answer
    x = 203,532,943.82

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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.