Home / 111,929,474.22-154,392,027-77,061,630.24

Finding the Fourth Proportional to 111,929,474.22, 154,392,027 and 77,061,630.24

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Solution

The fourth proportional to 111,929,474.22, 154,392,027 and 77,061,630.24 is: 106,296,410.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,929,474.22 : 154,392,027 = 77,061,630.24 : x
  2. Step 2: Convert to fraction form
    111,929,474.22/154,392,027 = 77,061,630.24/x
  3. Step 3: Cross multiply
    111,929,474.22x = 154,392,027 × 77,061,630.24
  4. Step 4: Simplify right side
    111,929,474.22x = 11,897,701,296,678,096
  5. Step 5: Solve for x
    x = 11,897,701,296,678,096/111,929,474.22
  6. Step 6: Final answer
    x = 106,296,410.12

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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.