Home / 52,115,100.47-78,184,660.04-18,036,446.21

Finding the Fourth Proportional to 52,115,100.47, 78,184,660.04 and 18,036,446.21

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Solution

The fourth proportional to 52,115,100.47, 78,184,660.04 and 18,036,446.21 is: 27,058,825.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,115,100.47 : 78,184,660.04 = 18,036,446.21 : x
  2. Step 2: Convert to fraction form
    52,115,100.47/78,184,660.04 = 18,036,446.21/x
  3. Step 3: Cross multiply
    52,115,100.47x = 78,184,660.04 × 18,036,446.21
  4. Step 4: Simplify right side
    52,115,100.47x = 1,410,173,415,168,414.25
  5. Step 5: Solve for x
    x = 1,410,173,415,168,414.25/52,115,100.47
  6. Step 6: Final answer
    x = 27,058,825.61

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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.