Home / 121,168,557,861.70-181,752,836,792.55-111,250,593,343.30

Finding the Fourth Proportional to 121,168,557,861.70, 181,752,836,792.55 and 111,250,593,343.30

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Solution

The fourth proportional to 121,168,557,861.70, 181,752,836,792.55 and 111,250,593,343.30 is: 166,875,890,014.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,168,557,861.70 : 181,752,836,792.55 = 111,250,593,343.30 : x
  2. Step 2: Convert to fraction form
    121,168,557,861.70/181,752,836,792.55 = 111,250,593,343.30/x
  3. Step 3: Cross multiply
    121,168,557,861.70x = 181,752,836,792.55 × 111,250,593,343.30
  4. Step 4: Simplify right side
    121,168,557,861.70x = 20,220,110,934,999,155,343,360
  5. Step 5: Solve for x
    x = 20,220,110,934,999,155,343,360/121,168,557,861.70
  6. Step 6: Final answer
    x = 166,875,890,014.95

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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.