Home / 78,379,335.38-108,003,967.71-60,630,410.45

Finding the Fourth Proportional to 78,379,335.38, 108,003,967.71 and 60,630,410.45

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Solution

The fourth proportional to 78,379,335.38, 108,003,967.71 and 60,630,410.45 is: 83,546,573.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,379,335.38 : 108,003,967.71 = 60,630,410.45 : x
  2. Step 2: Convert to fraction form
    78,379,335.38/108,003,967.71 = 60,630,410.45/x
  3. Step 3: Cross multiply
    78,379,335.38x = 108,003,967.71 × 60,630,410.45
  4. Step 4: Simplify right side
    78,379,335.38x = 6,548,324,892,485,846
  5. Step 5: Solve for x
    x = 6,548,324,892,485,846/78,379,335.38
  6. Step 6: Final answer
    x = 83,546,573.35

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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.