Home / 148,277,999.70-222,416,999.55-122,579,874.90

Finding the Fourth Proportional to 148,277,999.70, 222,416,999.55 and 122,579,874.90

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Solution

The fourth proportional to 148,277,999.70, 222,416,999.55 and 122,579,874.90 is: 183,869,812.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,277,999.70 : 222,416,999.55 = 122,579,874.90 : x
  2. Step 2: Convert to fraction form
    148,277,999.70/222,416,999.55 = 122,579,874.90/x
  3. Step 3: Cross multiply
    148,277,999.70x = 222,416,999.55 × 122,579,874.90
  4. Step 4: Simplify right side
    148,277,999.70x = 27,263,847,980,472,360
  5. Step 5: Solve for x
    x = 27,263,847,980,472,360/148,277,999.70
  6. Step 6: Final answer
    x = 183,869,812.35

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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.