Home / 217,270,516.40-325,905,774.60-148,395,762.80

Finding the Fourth Proportional to 217,270,516.40, 325,905,774.60 and 148,395,762.80

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Solution

The fourth proportional to 217,270,516.40, 325,905,774.60 and 148,395,762.80 is: 222,593,644.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,270,516.40 : 325,905,774.60 = 148,395,762.80 : x
  2. Step 2: Convert to fraction form
    217,270,516.40/325,905,774.60 = 148,395,762.80/x
  3. Step 3: Cross multiply
    217,270,516.40x = 325,905,774.60 × 148,395,762.80
  4. Step 4: Simplify right side
    217,270,516.40x = 48,363,036,022,691,872
  5. Step 5: Solve for x
    x = 48,363,036,022,691,872/217,270,516.40
  6. Step 6: Final answer
    x = 222,593,644.20

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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.