Home / 61,245,788.65-91,886,618.96-18,116,140.56

Finding the Fourth Proportional to 61,245,788.65, 91,886,618.96 and 18,116,140.56

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Solution

The fourth proportional to 61,245,788.65, 91,886,618.96 and 18,116,140.56 is: 27,179,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,245,788.65 : 91,886,618.96 = 18,116,140.56 : x
  2. Step 2: Convert to fraction form
    61,245,788.65/91,886,618.96 = 18,116,140.56/x
  3. Step 3: Cross multiply
    61,245,788.65x = 91,886,618.96 × 18,116,140.56
  4. Step 4: Simplify right side
    61,245,788.65x = 1,664,630,904,662,520.75
  5. Step 5: Solve for x
    x = 1,664,630,904,662,520.75/61,245,788.65
  6. Step 6: Final answer
    x = 27,179,516.20

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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.