Home / 73,119,883.37-100,906,658.54-39,630,431.64

Finding the Fourth Proportional to 73,119,883.37, 100,906,658.54 and 39,630,431.64

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Solution

The fourth proportional to 73,119,883.37, 100,906,658.54 and 39,630,431.64 is: 54,690,656.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,119,883.37 : 100,906,658.54 = 39,630,431.64 : x
  2. Step 2: Convert to fraction form
    73,119,883.37/100,906,658.54 = 39,630,431.64/x
  3. Step 3: Cross multiply
    73,119,883.37x = 100,906,658.54 × 39,630,431.64
  4. Step 4: Simplify right side
    73,119,883.37x = 3,998,974,433,619,153.50
  5. Step 5: Solve for x
    x = 3,998,974,433,619,153.50/73,119,883.37
  6. Step 6: Final answer
    x = 54,690,656.63

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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.