Home / 192,457,175.90-288,685,763.85-115,740,715.10

Finding the Fourth Proportional to 192,457,175.90, 288,685,763.85 and 115,740,715.10

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Solution

The fourth proportional to 192,457,175.90, 288,685,763.85 and 115,740,715.10 is: 173,611,072.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,457,175.90 : 288,685,763.85 = 115,740,715.10 : x
  2. Step 2: Convert to fraction form
    192,457,175.90/288,685,763.85 = 115,740,715.10/x
  3. Step 3: Cross multiply
    192,457,175.90x = 288,685,763.85 × 115,740,715.10
  4. Step 4: Simplify right side
    192,457,175.90x = 33,412,696,747,188,732
  5. Step 5: Solve for x
    x = 33,412,696,747,188,732/192,457,175.90
  6. Step 6: Final answer
    x = 173,611,072.65

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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.