Home / 76,880,140.25-115,325,323.99-27,018,930.81

Finding the Fourth Proportional to 76,880,140.25, 115,325,323.99 and 27,018,930.81

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Solution

The fourth proportional to 76,880,140.25, 115,325,323.99 and 27,018,930.81 is: 40,530,193.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,880,140.25 : 115,325,323.99 = 27,018,930.81 : x
  2. Step 2: Convert to fraction form
    76,880,140.25/115,325,323.99 = 27,018,930.81/x
  3. Step 3: Cross multiply
    76,880,140.25x = 115,325,323.99 × 27,018,930.81
  4. Step 4: Simplify right side
    76,880,140.25x = 3,115,966,949,391,548.50
  5. Step 5: Solve for x
    x = 3,115,966,949,391,548.50/76,880,140.25
  6. Step 6: Final answer
    x = 40,530,193.36

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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.