Home / 55,212,400.01-76,189,645.63-30,431,223.16

Finding the Fourth Proportional to 55,212,400.01, 76,189,645.63 and 30,431,223.16

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Solution

The fourth proportional to 55,212,400.01, 76,189,645.63 and 30,431,223.16 is: 41,993,177.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,212,400.01 : 76,189,645.63 = 30,431,223.16 : x
  2. Step 2: Convert to fraction form
    55,212,400.01/76,189,645.63 = 30,431,223.16/x
  3. Step 3: Cross multiply
    55,212,400.01x = 76,189,645.63 × 30,431,223.16
  4. Step 4: Simplify right side
    55,212,400.01x = 2,318,544,108,647,848.50
  5. Step 5: Solve for x
    x = 2,318,544,108,647,848.50/55,212,400.01
  6. Step 6: Final answer
    x = 41,993,177.41

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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.