Home / 148,493,693.60-222,740,540.40-138,415,997.60

Finding the Fourth Proportional to 148,493,693.60, 222,740,540.40 and 138,415,997.60

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Solution

The fourth proportional to 148,493,693.60, 222,740,540.40 and 138,415,997.60 is: 207,623,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,493,693.60 : 222,740,540.40 = 138,415,997.60 : x
  2. Step 2: Convert to fraction form
    148,493,693.60/222,740,540.40 = 138,415,997.60/x
  3. Step 3: Cross multiply
    148,493,693.60x = 222,740,540.40 × 138,415,997.60
  4. Step 4: Simplify right side
    148,493,693.60x = 30,830,854,105,429,104
  5. Step 5: Solve for x
    x = 30,830,854,105,429,104/148,493,693.60
  6. Step 6: Final answer
    x = 207,623,996.40

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1.5x scale

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.