Home / 69,343,579.08-95,695,138.26-39,974,378.76

Finding the Fourth Proportional to 69,343,579.08, 95,695,138.26 and 39,974,378.76

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Solution

The fourth proportional to 69,343,579.08, 95,695,138.26 and 39,974,378.76 is: 55,165,218.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,343,579.08 : 95,695,138.26 = 39,974,378.76 : x
  2. Step 2: Convert to fraction form
    69,343,579.08/95,695,138.26 = 39,974,378.76/x
  3. Step 3: Cross multiply
    69,343,579.08x = 95,695,138.26 × 39,974,378.76
  4. Step 4: Simplify right side
    69,343,579.08x = 3,825,353,702,295,807.50
  5. Step 5: Solve for x
    x = 3,825,353,702,295,807.50/69,343,579.08
  6. Step 6: Final answer
    x = 55,165,218.66

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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.