Home / 78,379,333.38-108,003,964.95-60,630,408.45

Finding the Fourth Proportional to 78,379,333.38, 108,003,964.95 and 60,630,408.45

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Solution

The fourth proportional to 78,379,333.38, 108,003,964.95 and 60,630,408.45 is: 83,546,570.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,379,333.38 : 108,003,964.95 = 60,630,408.45 : x
  2. Step 2: Convert to fraction form
    78,379,333.38/108,003,964.95 = 60,630,408.45/x
  3. Step 3: Cross multiply
    78,379,333.38x = 108,003,964.95 × 60,630,408.45
  4. Step 4: Simplify right side
    78,379,333.38x = 6,548,324,509,137,984
  5. Step 5: Solve for x
    x = 6,548,324,509,137,984/78,379,333.38
  6. Step 6: Final answer
    x = 83,546,570.59

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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.