Home / 269,357,533.80-403,842,387.87-165,512,179.95

Finding the Fourth Proportional to 269,357,533.80, 403,842,387.87 and 165,512,179.95

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Solution

The fourth proportional to 269,357,533.80, 403,842,387.87 and 165,512,179.95 is: 248,149,116.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,357,533.80 : 403,842,387.87 = 165,512,179.95 : x
  2. Step 2: Convert to fraction form
    269,357,533.80/403,842,387.87 = 165,512,179.95/x
  3. Step 3: Cross multiply
    269,357,533.80x = 403,842,387.87 × 165,512,179.95
  4. Step 4: Simplify right side
    269,357,533.80x = 66,840,833,972,577,136
  5. Step 5: Solve for x
    x = 66,840,833,972,577,136/269,357,533.80
  6. Step 6: Final answer
    x = 248,149,116.27

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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.