Home / 200,259,770.70-299,851,462.66-127,080,345

Finding the Fourth Proportional to 200,259,770.70, 299,851,462.66 and 127,080,345

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Solution

The fourth proportional to 200,259,770.70, 299,851,462.66 and 127,080,345 is: 190,278,992.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,259,770.70 : 299,851,462.66 = 127,080,345 : x
  2. Step 2: Convert to fraction form
    200,259,770.70/299,851,462.66 = 127,080,345/x
  3. Step 3: Cross multiply
    200,259,770.70x = 299,851,462.66 × 127,080,345
  4. Step 4: Simplify right side
    200,259,770.70x = 38,105,227,323,587,424
  5. Step 5: Solve for x
    x = 38,105,227,323,587,424/200,259,770.70
  6. Step 6: Final answer
    x = 190,278,992.08

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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.