Home / 138,848,622,147.60-208,272,933,221.40-138,848,622,147.60

Finding the Fourth Proportional to 138,848,622,147.60, 208,272,933,221.40 and 138,848,622,147.60

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Solution

The fourth proportional to 138,848,622,147.60, 208,272,933,221.40 and 138,848,622,147.60 is: 208,272,933,221.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,848,622,147.60 : 208,272,933,221.40 = 138,848,622,147.60 : x
  2. Step 2: Convert to fraction form
    138,848,622,147.60/208,272,933,221.40 = 138,848,622,147.60/x
  3. Step 3: Cross multiply
    138,848,622,147.60x = 208,272,933,221.40 × 138,848,622,147.60
  4. Step 4: Simplify right side
    138,848,622,147.60x = 28,918,409,808,430,495,694,848
  5. Step 5: Solve for x
    x = 28,918,409,808,430,495,694,848/138,848,622,147.60
  6. Step 6: Final answer
    x = 208,272,933,221.40

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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.