Home / 330,106,109,376.96-495,256,313,020.32-106,511,865,117.12

Finding the Fourth Proportional to 330,106,109,376.96, 495,256,313,020.32 and 106,511,865,117.12

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Solution

The fourth proportional to 330,106,109,376.96, 495,256,313,020.32 and 106,511,865,117.12 is: 159,799,143,706.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,106,109,376.96 : 495,256,313,020.32 = 106,511,865,117.12 : x
  2. Step 2: Convert to fraction form
    330,106,109,376.96/495,256,313,020.32 = 106,511,865,117.12/x
  3. Step 3: Cross multiply
    330,106,109,376.96x = 495,256,313,020.32 × 106,511,865,117.12
  4. Step 4: Simplify right side
    330,106,109,376.96x = 52,750,673,610,822,484,230,144
  5. Step 5: Solve for x
    x = 52,750,673,610,822,484,230,144/330,106,109,376.96
  6. Step 6: Final answer
    x = 159,799,143,706.80

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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.