Home / 201,576,505.60-302,364,758.40-137,079,251.20

Finding the Fourth Proportional to 201,576,505.60, 302,364,758.40 and 137,079,251.20

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Solution

The fourth proportional to 201,576,505.60, 302,364,758.40 and 137,079,251.20 is: 205,618,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,576,505.60 : 302,364,758.40 = 137,079,251.20 : x
  2. Step 2: Convert to fraction form
    201,576,505.60/302,364,758.40 = 137,079,251.20/x
  3. Step 3: Cross multiply
    201,576,505.60x = 302,364,758.40 × 137,079,251.20
  4. Step 4: Simplify right side
    201,576,505.60x = 41,447,934,670,740,904
  5. Step 5: Solve for x
    x = 41,447,934,670,740,904/201,576,505.60
  6. Step 6: Final answer
    x = 205,618,876.80

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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.