Home / 51,239,188.01-76,860,250.03-20,113,549.77

Finding the Fourth Proportional to 51,239,188.01, 76,860,250.03 and 20,113,549.77

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Solution

The fourth proportional to 51,239,188.01, 76,860,250.03 and 20,113,549.77 is: 30,170,900.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,239,188.01 : 76,860,250.03 = 20,113,549.77 : x
  2. Step 2: Convert to fraction form
    51,239,188.01/76,860,250.03 = 20,113,549.77/x
  3. Step 3: Cross multiply
    51,239,188.01x = 76,860,250.03 × 20,113,549.77
  4. Step 4: Simplify right side
    51,239,188.01x = 1,545,932,463,928,747.75
  5. Step 5: Solve for x
    x = 1,545,932,463,928,747.75/51,239,188.01
  6. Step 6: Final answer
    x = 30,170,900.91

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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.