Home / 252,162,821.40-378,315,090.90-122,774,652.60

Finding the Fourth Proportional to 252,162,821.40, 378,315,090.90 and 122,774,652.60

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Solution

The fourth proportional to 252,162,821.40, 378,315,090.90 and 122,774,652.60 is: 184,196,479.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,162,821.40 : 378,315,090.90 = 122,774,652.60 : x
  2. Step 2: Convert to fraction form
    252,162,821.40/378,315,090.90 = 122,774,652.60/x
  3. Step 3: Cross multiply
    252,162,821.40x = 378,315,090.90 × 122,774,652.60
  4. Step 4: Simplify right side
    252,162,821.40x = 46,447,503,858,584,920
  5. Step 5: Solve for x
    x = 46,447,503,858,584,920/252,162,821.40
  6. Step 6: Final answer
    x = 184,196,479.09

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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.