Home / 68,718,580.98-103,072,511.55-39,946,364.82

Finding the Fourth Proportional to 68,718,580.98, 103,072,511.55 and 39,946,364.82

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Solution

The fourth proportional to 68,718,580.98, 103,072,511.55 and 39,946,364.82 is: 59,916,431.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,718,580.98 : 103,072,511.55 = 39,946,364.82 : x
  2. Step 2: Convert to fraction form
    68,718,580.98/103,072,511.55 = 39,946,364.82/x
  3. Step 3: Cross multiply
    68,718,580.98x = 103,072,511.55 × 39,946,364.82
  4. Step 4: Simplify right side
    68,718,580.98x = 4,117,372,149,289,963.50
  5. Step 5: Solve for x
    x = 4,117,372,149,289,963.50/68,718,580.98
  6. Step 6: Final answer
    x = 59,916,431.49

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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.