Home / 53,725,020.52-74,138,365.38-29,278,209.64

Finding the Fourth Proportional to 53,725,020.52, 74,138,365.38 and 29,278,209.64

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Solution

The fourth proportional to 53,725,020.52, 74,138,365.38 and 29,278,209.64 is: 40,402,750.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,725,020.52 : 74,138,365.38 = 29,278,209.64 : x
  2. Step 2: Convert to fraction form
    53,725,020.52/74,138,365.38 = 29,278,209.64/x
  3. Step 3: Cross multiply
    53,725,020.52x = 74,138,365.38 × 29,278,209.64
  4. Step 4: Simplify right side
    53,725,020.52x = 2,170,638,603,962,558.25
  5. Step 5: Solve for x
    x = 2,170,638,603,962,558.25/53,725,020.52
  6. Step 6: Final answer
    x = 40,402,750.58

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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.