Home / 133,452,002.70-200,178,004.05-79,704,290.70

Finding the Fourth Proportional to 133,452,002.70, 200,178,004.05 and 79,704,290.70

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Solution

The fourth proportional to 133,452,002.70, 200,178,004.05 and 79,704,290.70 is: 119,556,436.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,452,002.70 : 200,178,004.05 = 79,704,290.70 : x
  2. Step 2: Convert to fraction form
    133,452,002.70/200,178,004.05 = 79,704,290.70/x
  3. Step 3: Cross multiply
    133,452,002.70x = 200,178,004.05 × 79,704,290.70
  4. Step 4: Simplify right side
    133,452,002.70x = 15,955,045,826,546,978
  5. Step 5: Solve for x
    x = 15,955,045,826,546,978/133,452,002.70
  6. Step 6: Final answer
    x = 119,556,436.05

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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.