Home / 203,796,329.20-305,713,156.20-82,602,703.60

Finding the Fourth Proportional to 203,796,329.20, 305,713,156.20 and 82,602,703.60

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Solution

The fourth proportional to 203,796,329.20, 305,713,156.20 and 82,602,703.60 is: 123,911,619.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,796,329.20 : 305,713,156.20 = 82,602,703.60 : x
  2. Step 2: Convert to fraction form
    203,796,329.20/305,713,156.20 = 82,602,703.60/x
  3. Step 3: Cross multiply
    203,796,329.20x = 305,713,156.20 × 82,602,703.60
  4. Step 4: Simplify right side
    203,796,329.20x = 25,252,733,228,209,100
  5. Step 5: Solve for x
    x = 25,252,733,228,209,100/203,796,329.20
  6. Step 6: Final answer
    x = 123,911,619.64

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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.