Home / 92,572,666.20-138,858,999.30-77,568,096.60

Finding the Fourth Proportional to 92,572,666.20, 138,858,999.30 and 77,568,096.60

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Solution

The fourth proportional to 92,572,666.20, 138,858,999.30 and 77,568,096.60 is: 116,352,144.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,572,666.20 : 138,858,999.30 = 77,568,096.60 : x
  2. Step 2: Convert to fraction form
    92,572,666.20/138,858,999.30 = 77,568,096.60/x
  3. Step 3: Cross multiply
    92,572,666.20x = 138,858,999.30 × 77,568,096.60
  4. Step 4: Simplify right side
    92,572,666.20x = 10,771,028,271,481,732
  5. Step 5: Solve for x
    x = 10,771,028,271,481,732/92,572,666.20
  6. Step 6: Final answer
    x = 116,352,144.90

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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.