Home / 122,777,546.42-184,195,349.78-39,779,164.64

Finding the Fourth Proportional to 122,777,546.42, 184,195,349.78 and 39,779,164.64

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Solution

The fourth proportional to 122,777,546.42, 184,195,349.78 and 39,779,164.64 is: 59,678,152.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,777,546.42 : 184,195,349.78 = 39,779,164.64 : x
  2. Step 2: Convert to fraction form
    122,777,546.42/184,195,349.78 = 39,779,164.64/x
  3. Step 3: Cross multiply
    122,777,546.42x = 184,195,349.78 × 39,779,164.64
  4. Step 4: Simplify right side
    122,777,546.42x = 7,327,137,143,701,135
  5. Step 5: Solve for x
    x = 7,327,137,143,701,135/122,777,546.42
  6. Step 6: Final answer
    x = 59,678,152.54

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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.