Home / 143,540,997.60-215,314,546.32-51,430,735.20

Finding the Fourth Proportional to 143,540,997.60, 215,314,546.32 and 51,430,735.20

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Solution

The fourth proportional to 143,540,997.60, 215,314,546.32 and 51,430,735.20 is: 77,147,195.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,540,997.60 : 215,314,546.32 = 51,430,735.20 : x
  2. Step 2: Convert to fraction form
    143,540,997.60/215,314,546.32 = 51,430,735.20/x
  3. Step 3: Cross multiply
    143,540,997.60x = 215,314,546.32 × 51,430,735.20
  4. Step 4: Simplify right side
    143,540,997.60x = 11,073,785,416,492,054
  5. Step 5: Solve for x
    x = 11,073,785,416,492,054/143,540,997.60
  6. Step 6: Final answer
    x = 77,147,195.59

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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.