Home / 201,738,948.30-302,608,422.45-120,109,610.70

Finding the Fourth Proportional to 201,738,948.30, 302,608,422.45 and 120,109,610.70

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Solution

The fourth proportional to 201,738,948.30, 302,608,422.45 and 120,109,610.70 is: 180,164,416.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,738,948.30 : 302,608,422.45 = 120,109,610.70 : x
  2. Step 2: Convert to fraction form
    201,738,948.30/302,608,422.45 = 120,109,610.70/x
  3. Step 3: Cross multiply
    201,738,948.30x = 302,608,422.45 × 120,109,610.70
  4. Step 4: Simplify right side
    201,738,948.30x = 36,346,179,815,010,640
  5. Step 5: Solve for x
    x = 36,346,179,815,010,640/201,738,948.30
  6. Step 6: Final answer
    x = 180,164,416.05

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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.