Home / 254,657,683.31-381,986,048.19-79,794,103.91

Finding the Fourth Proportional to 254,657,683.31, 381,986,048.19 and 79,794,103.91

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Solution

The fourth proportional to 254,657,683.31, 381,986,048.19 and 79,794,103.91 is: 119,691,006.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,657,683.31 : 381,986,048.19 = 79,794,103.91 : x
  2. Step 2: Convert to fraction form
    254,657,683.31/381,986,048.19 = 79,794,103.91/x
  3. Step 3: Cross multiply
    254,657,683.31x = 381,986,048.19 × 79,794,103.91
  4. Step 4: Simplify right side
    254,657,683.31x = 30,480,234,422,398,092
  5. Step 5: Solve for x
    x = 30,480,234,422,398,092/254,657,683.31
  6. Step 6: Final answer
    x = 119,691,006.48

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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.