Home / 53,464,811.78-73,916,372.58-39,504,147.86

Finding the Fourth Proportional to 53,464,811.78, 73,916,372.58 and 39,504,147.86

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Solution

The fourth proportional to 53,464,811.78, 73,916,372.58 and 39,504,147.86 is: 54,615,423.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,464,811.78 : 73,916,372.58 = 39,504,147.86 : x
  2. Step 2: Convert to fraction form
    53,464,811.78/73,916,372.58 = 39,504,147.86/x
  3. Step 3: Cross multiply
    53,464,811.78x = 73,916,372.58 × 39,504,147.86
  4. Step 4: Simplify right side
    53,464,811.78x = 2,920,003,311,675,169.50
  5. Step 5: Solve for x
    x = 2,920,003,311,675,169.50/53,464,811.78
  6. Step 6: Final answer
    x = 54,615,423.01

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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.