Home / 101,151,124.11-139,588,549.58-54,741,378.03

Finding the Fourth Proportional to 101,151,124.11, 139,588,549.58 and 54,741,378.03

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Solution

The fourth proportional to 101,151,124.11, 139,588,549.58 and 54,741,378.03 is: 75,543,100.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,151,124.11 : 139,588,549.58 = 54,741,378.03 : x
  2. Step 2: Convert to fraction form
    101,151,124.11/139,588,549.58 = 54,741,378.03/x
  3. Step 3: Cross multiply
    101,151,124.11x = 139,588,549.58 × 54,741,378.03
  4. Step 4: Simplify right side
    101,151,124.11x = 7,641,269,561,308,565
  5. Step 5: Solve for x
    x = 7,641,269,561,308,565/101,151,124.11
  6. Step 6: Final answer
    x = 75,543,100.77

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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.