Home / 226,655,487.40-339,983,231.10-208,515,634.60

Finding the Fourth Proportional to 226,655,487.40, 339,983,231.10 and 208,515,634.60

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Solution

The fourth proportional to 226,655,487.40, 339,983,231.10 and 208,515,634.60 is: 312,773,451.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,655,487.40 : 339,983,231.10 = 208,515,634.60 : x
  2. Step 2: Convert to fraction form
    226,655,487.40/339,983,231.10 = 208,515,634.60/x
  3. Step 3: Cross multiply
    226,655,487.40x = 339,983,231.10 × 208,515,634.60
  4. Step 4: Simplify right side
    226,655,487.40x = 70,891,819,186,174,960
  5. Step 5: Solve for x
    x = 70,891,819,186,174,960/226,655,487.40
  6. Step 6: Final answer
    x = 312,773,451.90

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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.