Home / 76,180,908.98-105,136,138.01-43,147,034.73

Finding the Fourth Proportional to 76,180,908.98, 105,136,138.01 and 43,147,034.73

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Solution

The fourth proportional to 76,180,908.98, 105,136,138.01 and 43,147,034.73 is: 59,546,580.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,180,908.98 : 105,136,138.01 = 43,147,034.73 : x
  2. Step 2: Convert to fraction form
    76,180,908.98/105,136,138.01 = 43,147,034.73/x
  3. Step 3: Cross multiply
    76,180,908.98x = 105,136,138.01 × 43,147,034.73
  4. Step 4: Simplify right side
    76,180,908.98x = 4,536,312,597,879,807
  5. Step 5: Solve for x
    x = 4,536,312,597,879,807/76,180,908.98
  6. Step 6: Final answer
    x = 59,546,580.09

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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.