Home / 56,589,462.84-78,093,890.30-31,471,923.67

Finding the Fourth Proportional to 56,589,462.84, 78,093,890.30 and 31,471,923.67

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Solution

The fourth proportional to 56,589,462.84, 78,093,890.30 and 31,471,923.67 is: 43,431,494.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,589,462.84 : 78,093,890.30 = 31,471,923.67 : x
  2. Step 2: Convert to fraction form
    56,589,462.84/78,093,890.30 = 31,471,923.67/x
  3. Step 3: Cross multiply
    56,589,462.84x = 78,093,890.30 × 31,471,923.67
  4. Step 4: Simplify right side
    56,589,462.84x = 2,457,764,954,498,398.50
  5. Step 5: Solve for x
    x = 2,457,764,954,498,398.50/56,589,462.84
  6. Step 6: Final answer
    x = 43,431,494.68

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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.