Home / 339,980,405.05-510,096,578.78-135,655,118.65

Finding the Fourth Proportional to 339,980,405.05, 510,096,578.78 and 135,655,118.65

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Solution

The fourth proportional to 339,980,405.05, 510,096,578.78 and 135,655,118.65 is: 203,532,941.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,980,405.05 : 510,096,578.78 = 135,655,118.65 : x
  2. Step 2: Convert to fraction form
    339,980,405.05/510,096,578.78 = 135,655,118.65/x
  3. Step 3: Cross multiply
    339,980,405.05x = 510,096,578.78 × 135,655,118.65
  4. Step 4: Simplify right side
    339,980,405.05x = 69,197,211,917,359,968
  5. Step 5: Solve for x
    x = 69,197,211,917,359,968/339,980,405.05
  6. Step 6: Final answer
    x = 203,532,941.57

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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.