Home / 53,367,809.64-73,647,640.28-28,921,523.64

Finding the Fourth Proportional to 53,367,809.64, 73,647,640.28 and 28,921,523.64

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Solution

The fourth proportional to 53,367,809.64, 73,647,640.28 and 28,921,523.64 is: 39,911,736.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,367,809.64 : 73,647,640.28 = 28,921,523.64 : x
  2. Step 2: Convert to fraction form
    53,367,809.64/73,647,640.28 = 28,921,523.64/x
  3. Step 3: Cross multiply
    53,367,809.64x = 73,647,640.28 × 28,921,523.64
  4. Step 4: Simplify right side
    53,367,809.64x = 2,130,001,969,388,236.25
  5. Step 5: Solve for x
    x = 2,130,001,969,388,236.25/53,367,809.64
  6. Step 6: Final answer
    x = 39,911,736.75

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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.