Home / 120,610,786.24-180,936,357-94,702,042

Finding the Fourth Proportional to 120,610,786.24, 180,936,357 and 94,702,042

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Solution

The fourth proportional to 120,610,786.24, 180,936,357 and 94,702,042 is: 142,068,906.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,610,786.24 : 180,936,357 = 94,702,042 : x
  2. Step 2: Convert to fraction form
    120,610,786.24/180,936,357 = 94,702,042/x
  3. Step 3: Cross multiply
    120,610,786.24x = 180,936,357 × 94,702,042
  4. Step 4: Simplify right side
    120,610,786.24x = 17,135,042,479,940,994
  5. Step 5: Solve for x
    x = 17,135,042,479,940,994/120,610,786.24
  6. Step 6: Final answer
    x = 142,068,906.22

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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.