Home / 203,796,327.20-305,713,153.20-82,602,701.60

Finding the Fourth Proportional to 203,796,327.20, 305,713,153.20 and 82,602,701.60

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Solution

The fourth proportional to 203,796,327.20, 305,713,153.20 and 82,602,701.60 is: 123,911,616.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,796,327.20 : 305,713,153.20 = 82,602,701.60 : x
  2. Step 2: Convert to fraction form
    203,796,327.20/305,713,153.20 = 82,602,701.60/x
  3. Step 3: Cross multiply
    203,796,327.20x = 305,713,153.20 × 82,602,701.60
  4. Step 4: Simplify right side
    203,796,327.20x = 25,252,732,368,974,684
  5. Step 5: Solve for x
    x = 25,252,732,368,974,684/203,796,327.20
  6. Step 6: Final answer
    x = 123,911,616.64

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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.