Home / 78,534,738.24-117,797,676.60-34,802,901.24

Finding the Fourth Proportional to 78,534,738.24, 117,797,676.60 and 34,802,901.24

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Solution

The fourth proportional to 78,534,738.24, 117,797,676.60 and 34,802,901.24 is: 52,202,388.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,534,738.24 : 117,797,676.60 = 34,802,901.24 : x
  2. Step 2: Convert to fraction form
    78,534,738.24/117,797,676.60 = 34,802,901.24/x
  3. Step 3: Cross multiply
    78,534,738.24x = 117,797,676.60 × 34,802,901.24
  4. Step 4: Simplify right side
    78,534,738.24x = 4,099,700,905,011,259
  5. Step 5: Solve for x
    x = 4,099,700,905,011,259/78,534,738.24
  6. Step 6: Final answer
    x = 52,202,388.36

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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.