Home / 121,194,799,179.70-181,792,198,769.55-112,929,828,747.70

Finding the Fourth Proportional to 121,194,799,179.70, 181,792,198,769.55 and 112,929,828,747.70

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Solution

The fourth proportional to 121,194,799,179.70, 181,792,198,769.55 and 112,929,828,747.70 is: 169,394,743,121.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,194,799,179.70 : 181,792,198,769.55 = 112,929,828,747.70 : x
  2. Step 2: Convert to fraction form
    121,194,799,179.70/181,792,198,769.55 = 112,929,828,747.70/x
  3. Step 3: Cross multiply
    121,194,799,179.70x = 181,792,198,769.55 × 112,929,828,747.70
  4. Step 4: Simplify right side
    121,194,799,179.70x = 20,529,761,874,713,119,817,728
  5. Step 5: Solve for x
    x = 20,529,761,874,713,119,817,728/121,194,799,179.70
  6. Step 6: Final answer
    x = 169,394,743,121.55

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1.5x scale

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.