Home / 68,521,969.59-102,794,939.82-40,877,903.49

Finding the Fourth Proportional to 68,521,969.59, 102,794,939.82 and 40,877,903.49

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Solution

The fourth proportional to 68,521,969.59, 102,794,939.82 and 40,877,903.49 is: 61,324,005.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,521,969.59 : 102,794,939.82 = 40,877,903.49 : x
  2. Step 2: Convert to fraction form
    68,521,969.59/102,794,939.82 = 40,877,903.49/x
  3. Step 3: Cross multiply
    68,521,969.59x = 102,794,939.82 × 40,877,903.49
  4. Step 4: Simplify right side
    68,521,969.59x = 4,202,041,629,222,318
  5. Step 5: Solve for x
    x = 4,202,041,629,222,318/68,521,969.59
  6. Step 6: Final answer
    x = 61,324,005.34

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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.