Home / 85,202,638.35-127,673,895.81-50,590,879.89

Finding the Fourth Proportional to 85,202,638.35, 127,673,895.81 and 50,590,879.89

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Solution

The fourth proportional to 85,202,638.35, 127,673,895.81 and 50,590,879.89 is: 75,809,092.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,202,638.35 : 127,673,895.81 = 50,590,879.89 : x
  2. Step 2: Convert to fraction form
    85,202,638.35/127,673,895.81 = 50,590,879.89/x
  3. Step 3: Cross multiply
    85,202,638.35x = 127,673,895.81 × 50,590,879.89
  4. Step 4: Simplify right side
    85,202,638.35x = 6,459,134,728,012,084
  5. Step 5: Solve for x
    x = 6,459,134,728,012,084/85,202,638.35
  6. Step 6: Final answer
    x = 75,809,092.92

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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.