Home / 90,745,630,415.30-125,239,951,120.66-51,647,684,497.54

Finding the Fourth Proportional to 90,745,630,415.30, 125,239,951,120.66 and 51,647,684,497.54

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Solution

The fourth proportional to 90,745,630,415.30, 125,239,951,120.66 and 51,647,684,497.54 is: 71,280,054,503.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,745,630,415.30 : 125,239,951,120.66 = 51,647,684,497.54 : x
  2. Step 2: Convert to fraction form
    90,745,630,415.30/125,239,951,120.66 = 51,647,684,497.54/x
  3. Step 3: Cross multiply
    90,745,630,415.30x = 125,239,951,120.66 × 51,647,684,497.54
  4. Step 4: Simplify right side
    90,745,630,415.30x = 6,468,353,481,966,929,051,648
  5. Step 5: Solve for x
    x = 6,468,353,481,966,929,051,648/90,745,630,415.30
  6. Step 6: Final answer
    x = 71,280,054,503.61

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Double scale
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1.5x scale

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.