Home / 201,204,415.90-301,806,623.85-199,291,228.30

Finding the Fourth Proportional to 201,204,415.90, 301,806,623.85 and 199,291,228.30

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Solution

The fourth proportional to 201,204,415.90, 301,806,623.85 and 199,291,228.30 is: 298,936,842.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,204,415.90 : 301,806,623.85 = 199,291,228.30 : x
  2. Step 2: Convert to fraction form
    201,204,415.90/301,806,623.85 = 199,291,228.30/x
  3. Step 3: Cross multiply
    201,204,415.90x = 301,806,623.85 × 199,291,228.30
  4. Step 4: Simplify right side
    201,204,415.90x = 60,147,412,776,142,584
  5. Step 5: Solve for x
    x = 60,147,412,776,142,584/201,204,415.90
  6. Step 6: Final answer
    x = 298,936,842.45

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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.