Home / 68,608,458.92-102,815,935.50-37,916,859.08

Finding the Fourth Proportional to 68,608,458.92, 102,815,935.50 and 37,916,859.08

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Solution

The fourth proportional to 68,608,458.92, 102,815,935.50 and 37,916,859.08 is: 56,821,817.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,608,458.92 : 102,815,935.50 = 37,916,859.08 : x
  2. Step 2: Convert to fraction form
    68,608,458.92/102,815,935.50 = 37,916,859.08/x
  3. Step 3: Cross multiply
    68,608,458.92x = 102,815,935.50 × 37,916,859.08
  4. Step 4: Simplify right side
    68,608,458.92x = 3,898,457,337,531,869
  5. Step 5: Solve for x
    x = 3,898,457,337,531,869/68,608,458.92
  6. Step 6: Final answer
    x = 56,821,817.58

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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.