Home / 207,728,139,464.33-311,186,412,418.12-143,104,412,241.86

Finding the Fourth Proportional to 207,728,139,464.33, 311,186,412,418.12 and 143,104,412,241.86

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Solution

The fourth proportional to 207,728,139,464.33, 311,186,412,418.12 and 143,104,412,241.86 is: 214,377,063,991.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,728,139,464.33 : 311,186,412,418.12 = 143,104,412,241.86 : x
  2. Step 2: Convert to fraction form
    207,728,139,464.33/311,186,412,418.12 = 143,104,412,241.86/x
  3. Step 3: Cross multiply
    207,728,139,464.33x = 311,186,412,418.12 × 143,104,412,241.86
  4. Step 4: Simplify right side
    207,728,139,464.33x = 44,532,148,646,748,102,852,608
  5. Step 5: Solve for x
    x = 44,532,148,646,748,102,852,608/207,728,139,464.33
  6. Step 6: Final answer
    x = 214,377,063,991.35

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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.