Home / 76,124,972.72-105,052,540.07-41,317,670.27

Finding the Fourth Proportional to 76,124,972.72, 105,052,540.07 and 41,317,670.27

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Solution

The fourth proportional to 76,124,972.72, 105,052,540.07 and 41,317,670.27 is: 57,018,427.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,124,972.72 : 105,052,540.07 = 41,317,670.27 : x
  2. Step 2: Convert to fraction form
    76,124,972.72/105,052,540.07 = 41,317,670.27/x
  3. Step 3: Cross multiply
    76,124,972.72x = 105,052,540.07 × 41,317,670.27
  4. Step 4: Simplify right side
    76,124,972.72x = 4,340,526,211,638,223
  5. Step 5: Solve for x
    x = 4,340,526,211,638,223/76,124,972.72
  6. Step 6: Final answer
    x = 57,018,427.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.