Home / 78,530,943.65-117,574,949.88-41,559,091.49

Finding the Fourth Proportional to 78,530,943.65, 117,574,949.88 and 41,559,091.49

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Solution

The fourth proportional to 78,530,943.65, 117,574,949.88 and 41,559,091.49 is: 62,221,436.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,530,943.65 : 117,574,949.88 = 41,559,091.49 : x
  2. Step 2: Convert to fraction form
    78,530,943.65/117,574,949.88 = 41,559,091.49/x
  3. Step 3: Cross multiply
    78,530,943.65x = 117,574,949.88 × 41,559,091.49
  4. Step 4: Simplify right side
    78,530,943.65x = 4,886,308,099,289,022
  5. Step 5: Solve for x
    x = 4,886,308,099,289,022/78,530,943.65
  6. Step 6: Final answer
    x = 62,221,436.19

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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.