Home / 53,725,019.52-74,138,364-29,278,208.64

Finding the Fourth Proportional to 53,725,019.52, 74,138,364 and 29,278,208.64

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Solution

The fourth proportional to 53,725,019.52, 74,138,364 and 29,278,208.64 is: 40,402,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,725,019.52 : 74,138,364 = 29,278,208.64 : x
  2. Step 2: Convert to fraction form
    53,725,019.52/74,138,364 = 29,278,208.64/x
  3. Step 3: Cross multiply
    53,725,019.52x = 74,138,364 × 29,278,208.64
  4. Step 4: Simplify right side
    53,725,019.52x = 2,170,638,489,420,265
  5. Step 5: Solve for x
    x = 2,170,638,489,420,265/53,725,019.52
  6. Step 6: Final answer
    x = 40,402,749.20

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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.