Home / 79,624,548.54-109,915,742.34-53,534,190.15

Finding the Fourth Proportional to 79,624,548.54, 109,915,742.34 and 53,534,190.15

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Solution

The fourth proportional to 79,624,548.54, 109,915,742.34 and 53,534,190.15 is: 73,899,951.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,624,548.54 : 109,915,742.34 = 53,534,190.15 : x
  2. Step 2: Convert to fraction form
    79,624,548.54/109,915,742.34 = 53,534,190.15/x
  3. Step 3: Cross multiply
    79,624,548.54x = 109,915,742.34 × 53,534,190.15
  4. Step 4: Simplify right side
    79,624,548.54x = 5,884,250,250,907,966
  5. Step 5: Solve for x
    x = 5,884,250,250,907,966/79,624,548.54
  6. Step 6: Final answer
    x = 73,899,951.19

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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.