Home / 70,942,438.08-97,892,245.44-40,000,763.52

Finding the Fourth Proportional to 70,942,438.08, 97,892,245.44 and 40,000,763.52

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Solution

The fourth proportional to 70,942,438.08, 97,892,245.44 and 40,000,763.52 is: 55,196,362.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,942,438.08 : 97,892,245.44 = 40,000,763.52 : x
  2. Step 2: Convert to fraction form
    70,942,438.08/97,892,245.44 = 40,000,763.52/x
  3. Step 3: Cross multiply
    70,942,438.08x = 97,892,245.44 × 40,000,763.52
  4. Step 4: Simplify right side
    70,942,438.08x = 3,915,764,560,287,238.50
  5. Step 5: Solve for x
    x = 3,915,764,560,287,238.50/70,942,438.08
  6. Step 6: Final answer
    x = 55,196,362.94

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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.