Home / 51,239,187.51-76,860,249.28-20,113,549.27

Finding the Fourth Proportional to 51,239,187.51, 76,860,249.28 and 20,113,549.27

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Solution

The fourth proportional to 51,239,187.51, 76,860,249.28 and 20,113,549.27 is: 30,170,900.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,239,187.51 : 76,860,249.28 = 20,113,549.27 : x
  2. Step 2: Convert to fraction form
    51,239,187.51/76,860,249.28 = 20,113,549.27/x
  3. Step 3: Cross multiply
    51,239,187.51x = 76,860,249.28 × 20,113,549.27
  4. Step 4: Simplify right side
    51,239,187.51x = 1,545,932,410,413,460.75
  5. Step 5: Solve for x
    x = 1,545,932,410,413,460.75/51,239,187.51
  6. Step 6: Final answer
    x = 30,170,900.16

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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.