Home / 118,686,517.93-178,013,615.25-31,240,712.33

Finding the Fourth Proportional to 118,686,517.93, 178,013,615.25 and 31,240,712.33

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Solution

The fourth proportional to 118,686,517.93, 178,013,615.25 and 31,240,712.33 is: 46,856,814.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,686,517.93 : 178,013,615.25 = 31,240,712.33 : x
  2. Step 2: Convert to fraction form
    118,686,517.93/178,013,615.25 = 31,240,712.33/x
  3. Step 3: Cross multiply
    118,686,517.93x = 178,013,615.25 × 31,240,712.33
  4. Step 4: Simplify right side
    118,686,517.93x = 5,561,272,145,410,738
  5. Step 5: Solve for x
    x = 5,561,272,145,410,738/118,686,517.93
  6. Step 6: Final answer
    x = 46,856,814.42

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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.