Home / 354,405,288.60-531,448,500.60-135,983,037.60

Finding the Fourth Proportional to 354,405,288.60, 531,448,500.60 and 135,983,037.60

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Solution

The fourth proportional to 354,405,288.60, 531,448,500.60 and 135,983,037.60 is: 203,913,383.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,405,288.60 : 531,448,500.60 = 135,983,037.60 : x
  2. Step 2: Convert to fraction form
    354,405,288.60/531,448,500.60 = 135,983,037.60/x
  3. Step 3: Cross multiply
    354,405,288.60x = 531,448,500.60 × 135,983,037.60
  4. Step 4: Simplify right side
    354,405,288.60x = 72,267,981,439,553,424
  5. Step 5: Solve for x
    x = 72,267,981,439,553,424/354,405,288.60
  6. Step 6: Final answer
    x = 203,913,383.25

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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.