Home / 77,102,946.90-115,654,819.14-25,985,408.58

Finding the Fourth Proportional to 77,102,946.90, 115,654,819.14 and 25,985,408.58

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Solution

The fourth proportional to 77,102,946.90, 115,654,819.14 and 25,985,408.58 is: 38,978,247.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,102,946.90 : 115,654,819.14 = 25,985,408.58 : x
  2. Step 2: Convert to fraction form
    77,102,946.90/115,654,819.14 = 25,985,408.58/x
  3. Step 3: Cross multiply
    77,102,946.90x = 115,654,819.14 × 25,985,408.58
  4. Step 4: Simplify right side
    77,102,946.90x = 3,005,337,729,598,904
  5. Step 5: Solve for x
    x = 3,005,337,729,598,904/77,102,946.90
  6. Step 6: Final answer
    x = 38,978,247.27

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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.