Home / 293,588,878.42-440,092,428.97-137,863,923.41

Finding the Fourth Proportional to 293,588,878.42, 440,092,428.97 and 137,863,923.41

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Solution

The fourth proportional to 293,588,878.42, 440,092,428.97 and 137,863,923.41 is: 206,659,289.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,588,878.42 : 440,092,428.97 = 137,863,923.41 : x
  2. Step 2: Convert to fraction form
    293,588,878.42/440,092,428.97 = 137,863,923.41/x
  3. Step 3: Cross multiply
    293,588,878.42x = 440,092,428.97 × 137,863,923.41
  4. Step 4: Simplify right side
    293,588,878.42x = 60,672,868,918,640,488
  5. Step 5: Solve for x
    x = 60,672,868,918,640,488/293,588,878.42
  6. Step 6: Final answer
    x = 206,659,289.16

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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.