Home / 53,760,067.20-80,640,100.80-49,083,386.40

Finding the Fourth Proportional to 53,760,067.20, 80,640,100.80 and 49,083,386.40

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Solution

The fourth proportional to 53,760,067.20, 80,640,100.80 and 49,083,386.40 is: 73,625,079.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,760,067.20 : 80,640,100.80 = 49,083,386.40 : x
  2. Step 2: Convert to fraction form
    53,760,067.20/80,640,100.80 = 49,083,386.40/x
  3. Step 3: Cross multiply
    53,760,067.20x = 80,640,100.80 × 49,083,386.40
  4. Step 4: Simplify right side
    53,760,067.20x = 3,958,089,226,901,349
  5. Step 5: Solve for x
    x = 3,958,089,226,901,349/53,760,067.20
  6. Step 6: Final answer
    x = 73,625,079.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.