Home / 236,412,037.60-354,618,056.40-145,239,992.80

Finding the Fourth Proportional to 236,412,037.60, 354,618,056.40 and 145,239,992.80

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Solution

The fourth proportional to 236,412,037.60, 354,618,056.40 and 145,239,992.80 is: 217,859,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,412,037.60 : 354,618,056.40 = 145,239,992.80 : x
  2. Step 2: Convert to fraction form
    236,412,037.60/354,618,056.40 = 145,239,992.80/x
  3. Step 3: Cross multiply
    236,412,037.60x = 354,618,056.40 × 145,239,992.80
  4. Step 4: Simplify right side
    236,412,037.60x = 51,504,723,958,285,992
  5. Step 5: Solve for x
    x = 51,504,723,958,285,992/236,412,037.60
  6. Step 6: Final answer
    x = 217,859,989.20

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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.