Home / 55,212,401.01-76,189,647.01-30,431,224.16

Finding the Fourth Proportional to 55,212,401.01, 76,189,647.01 and 30,431,224.16

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Solution

The fourth proportional to 55,212,401.01, 76,189,647.01 and 30,431,224.16 is: 41,993,178.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,212,401.01 : 76,189,647.01 = 30,431,224.16 : x
  2. Step 2: Convert to fraction form
    55,212,401.01/76,189,647.01 = 30,431,224.16/x
  3. Step 3: Cross multiply
    55,212,401.01x = 76,189,647.01 × 30,431,224.16
  4. Step 4: Simplify right side
    55,212,401.01x = 2,318,544,226,832,584
  5. Step 5: Solve for x
    x = 2,318,544,226,832,584/55,212,401.01
  6. Step 6: Final answer
    x = 41,993,178.79

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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.