Home / 142,095,212,377.29-196,101,013,905.69-80,274,340,630.62

Finding the Fourth Proportional to 142,095,212,377.29, 196,101,013,905.69 and 80,274,340,630.62

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Solution

The fourth proportional to 142,095,212,377.29, 196,101,013,905.69 and 80,274,340,630.62 is: 110,784,025,196.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,095,212,377.29 : 196,101,013,905.69 = 80,274,340,630.62 : x
  2. Step 2: Convert to fraction form
    142,095,212,377.29/196,101,013,905.69 = 80,274,340,630.62/x
  3. Step 3: Cross multiply
    142,095,212,377.29x = 196,101,013,905.69 × 80,274,340,630.62
  4. Step 4: Simplify right side
    142,095,212,377.29x = 15,741,879,588,275,307,413,504
  5. Step 5: Solve for x
    x = 15,741,879,588,275,307,413,504/142,095,212,377.29
  6. Step 6: Final answer
    x = 110,784,025,196.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.