Home / 358,929,939.72-538,394,848.08-113,458,891.86

Finding the Fourth Proportional to 358,929,939.72, 538,394,848.08 and 113,458,891.86

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Solution

The fourth proportional to 358,929,939.72, 538,394,848.08 and 113,458,891.86 is: 170,188,318.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,929,939.72 : 538,394,848.08 = 113,458,891.86 : x
  2. Step 2: Convert to fraction form
    358,929,939.72/538,394,848.08 = 113,458,891.86/x
  3. Step 3: Cross multiply
    358,929,939.72x = 538,394,848.08 × 113,458,891.86
  4. Step 4: Simplify right side
    358,929,939.72x = 61,085,682,845,863,240
  5. Step 5: Solve for x
    x = 61,085,682,845,863,240/358,929,939.72
  6. Step 6: Final answer
    x = 170,188,318.35

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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.