Home / 78,005,753.65-117,008,630.48-37,694,969.65

Finding the Fourth Proportional to 78,005,753.65, 117,008,630.48 and 37,694,969.65

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Solution

The fourth proportional to 78,005,753.65, 117,008,630.48 and 37,694,969.65 is: 56,542,454.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,005,753.65 : 117,008,630.48 = 37,694,969.65 : x
  2. Step 2: Convert to fraction form
    78,005,753.65/117,008,630.48 = 37,694,969.65/x
  3. Step 3: Cross multiply
    78,005,753.65x = 117,008,630.48 × 37,694,969.65
  4. Step 4: Simplify right side
    78,005,753.65x = 4,410,636,774,731,665
  5. Step 5: Solve for x
    x = 4,410,636,774,731,665/78,005,753.65
  6. Step 6: Final answer
    x = 56,542,454.48

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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.