Home / 122,243,647.63-168,680,922.11-82,637,353.61

Finding the Fourth Proportional to 122,243,647.63, 168,680,922.11 and 82,637,353.61

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Solution

The fourth proportional to 122,243,647.63, 168,680,922.11 and 82,637,353.61 is: 114,029,197.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,243,647.63 : 168,680,922.11 = 82,637,353.61 : x
  2. Step 2: Convert to fraction form
    122,243,647.63/168,680,922.11 = 82,637,353.61/x
  3. Step 3: Cross multiply
    122,243,647.63x = 168,680,922.11 × 82,637,353.61
  4. Step 4: Simplify right side
    122,243,647.63x = 13,939,345,007,664,938
  5. Step 5: Solve for x
    x = 13,939,345,007,664,938/122,243,647.63
  6. Step 6: Final answer
    x = 114,029,197.25

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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.