Home / 84,269,254.50-116,291,571.21-45,638,086.50

Finding the Fourth Proportional to 84,269,254.50, 116,291,571.21 and 45,638,086.50

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Solution

The fourth proportional to 84,269,254.50, 116,291,571.21 and 45,638,086.50 is: 62,980,559.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,269,254.50 : 116,291,571.21 = 45,638,086.50 : x
  2. Step 2: Convert to fraction form
    84,269,254.50/116,291,571.21 = 45,638,086.50/x
  3. Step 3: Cross multiply
    84,269,254.50x = 116,291,571.21 × 45,638,086.50
  4. Step 4: Simplify right side
    84,269,254.50x = 5,307,324,786,102,889
  5. Step 5: Solve for x
    x = 5,307,324,786,102,889/84,269,254.50
  6. Step 6: Final answer
    x = 62,980,559.37

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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.