Home / 231,413,609.27-319,335,057.50-126,998,407.10

Finding the Fourth Proportional to 231,413,609.27, 319,335,057.50 and 126,998,407.10

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Solution

The fourth proportional to 231,413,609.27, 319,335,057.50 and 126,998,407.10 is: 175,249,172.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,413,609.27 : 319,335,057.50 = 126,998,407.10 : x
  2. Step 2: Convert to fraction form
    231,413,609.27/319,335,057.50 = 126,998,407.10/x
  3. Step 3: Cross multiply
    231,413,609.27x = 319,335,057.50 × 126,998,407.10
  4. Step 4: Simplify right side
    231,413,609.27x = 40,555,043,631,455,240
  5. Step 5: Solve for x
    x = 40,555,043,631,455,240/231,413,609.27
  6. Step 6: Final answer
    x = 175,249,172.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.