Home / 53,415,658.42-73,690,204.71-31,379,216.77

Finding the Fourth Proportional to 53,415,658.42, 73,690,204.71 and 31,379,216.77

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Solution

The fourth proportional to 53,415,658.42, 73,690,204.71 and 31,379,216.77 is: 43,289,570.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,415,658.42 : 73,690,204.71 = 31,379,216.77 : x
  2. Step 2: Convert to fraction form
    53,415,658.42/73,690,204.71 = 31,379,216.77/x
  3. Step 3: Cross multiply
    53,415,658.42x = 73,690,204.71 × 31,379,216.77
  4. Step 4: Simplify right side
    53,415,658.42x = 2,312,340,907,420,764.50
  5. Step 5: Solve for x
    x = 2,312,340,907,420,764.50/53,415,658.42
  6. Step 6: Final answer
    x = 43,289,570.43

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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.