Home / 68,783,602.49-103,135,840.85-41,145,127.55

Finding the Fourth Proportional to 68,783,602.49, 103,135,840.85 and 41,145,127.55

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Solution

The fourth proportional to 68,783,602.49, 103,135,840.85 and 41,145,127.55 is: 61,694,025.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,783,602.49 : 103,135,840.85 = 41,145,127.55 : x
  2. Step 2: Convert to fraction form
    68,783,602.49/103,135,840.85 = 41,145,127.55/x
  3. Step 3: Cross multiply
    68,783,602.49x = 103,135,840.85 × 41,145,127.55
  4. Step 4: Simplify right side
    68,783,602.49x = 4,243,537,326,749,750
  5. Step 5: Solve for x
    x = 4,243,537,326,749,750/68,783,602.49
  6. Step 6: Final answer
    x = 61,694,025.51

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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.