Home / 85,537,847.70-127,933,523.55-76,505,246.10

Finding the Fourth Proportional to 85,537,847.70, 127,933,523.55 and 76,505,246.10

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Solution

The fourth proportional to 85,537,847.70, 127,933,523.55 and 76,505,246.10 is: 114,424,035.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,537,847.70 : 127,933,523.55 = 76,505,246.10 : x
  2. Step 2: Convert to fraction form
    85,537,847.70/127,933,523.55 = 76,505,246.10/x
  3. Step 3: Cross multiply
    85,537,847.70x = 127,933,523.55 × 76,505,246.10
  4. Step 4: Simplify right side
    85,537,847.70x = 9,787,585,703,632,894
  5. Step 5: Solve for x
    x = 9,787,585,703,632,894/85,537,847.70
  6. Step 6: Final answer
    x = 114,424,035.29

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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.