Home / 203,080,774.86-303,942,406.12-115,618,812.41

Finding the Fourth Proportional to 203,080,774.86, 303,942,406.12 and 115,618,812.41

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Solution

The fourth proportional to 203,080,774.86, 303,942,406.12 and 115,618,812.41 is: 173,041,786.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,080,774.86 : 303,942,406.12 = 115,618,812.41 : x
  2. Step 2: Convert to fraction form
    203,080,774.86/303,942,406.12 = 115,618,812.41/x
  3. Step 3: Cross multiply
    203,080,774.86x = 303,942,406.12 × 115,618,812.41
  4. Step 4: Simplify right side
    203,080,774.86x = 35,141,460,037,103,124
  5. Step 5: Solve for x
    x = 35,141,460,037,103,124/203,080,774.86
  6. Step 6: Final answer
    x = 173,041,786.26

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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.