Home / 201,437,769.40-302,156,654.10-177,629,212.60

Finding the Fourth Proportional to 201,437,769.40, 302,156,654.10 and 177,629,212.60

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Solution

The fourth proportional to 201,437,769.40, 302,156,654.10 and 177,629,212.60 is: 266,443,818.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,437,769.40 : 302,156,654.10 = 177,629,212.60 : x
  2. Step 2: Convert to fraction form
    201,437,769.40/302,156,654.10 = 177,629,212.60/x
  3. Step 3: Cross multiply
    201,437,769.40x = 302,156,654.10 × 177,629,212.60
  4. Step 4: Simplify right side
    201,437,769.40x = 53,671,848,549,633,568
  5. Step 5: Solve for x
    x = 53,671,848,549,633,568/201,437,769.40
  6. Step 6: Final answer
    x = 266,443,818.90

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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.