Home / 201,576,503.60-302,364,755.40-137,079,249.20

Finding the Fourth Proportional to 201,576,503.60, 302,364,755.40 and 137,079,249.20

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Solution

The fourth proportional to 201,576,503.60, 302,364,755.40 and 137,079,249.20 is: 205,618,873.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,576,503.60 : 302,364,755.40 = 137,079,249.20 : x
  2. Step 2: Convert to fraction form
    201,576,503.60/302,364,755.40 = 137,079,249.20/x
  3. Step 3: Cross multiply
    201,576,503.60x = 302,364,755.40 × 137,079,249.20
  4. Step 4: Simplify right side
    201,576,503.60x = 41,447,933,654,773,640
  5. Step 5: Solve for x
    x = 41,447,933,654,773,640/201,576,503.60
  6. Step 6: Final answer
    x = 205,618,873.80

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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.