Home / 49,415,839.20-74,208,789.36-47,290,075.20

Finding the Fourth Proportional to 49,415,839.20, 74,208,789.36 and 47,290,075.20

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Solution

The fourth proportional to 49,415,839.20, 74,208,789.36 and 47,290,075.20 is: 71,016,485.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,415,839.20 : 74,208,789.36 = 47,290,075.20 : x
  2. Step 2: Convert to fraction form
    49,415,839.20/74,208,789.36 = 47,290,075.20/x
  3. Step 3: Cross multiply
    49,415,839.20x = 74,208,789.36 × 47,290,075.20
  4. Step 4: Simplify right side
    49,415,839.20x = 3,509,339,229,335,360
  5. Step 5: Solve for x
    x = 3,509,339,229,335,360/49,415,839.20
  6. Step 6: Final answer
    x = 71,016,485.53

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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.