Home / 49,525,271.60-74,287,907.40-31,385,418.80

Finding the Fourth Proportional to 49,525,271.60, 74,287,907.40 and 31,385,418.80

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Solution

The fourth proportional to 49,525,271.60, 74,287,907.40 and 31,385,418.80 is: 47,078,128.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,525,271.60 : 74,287,907.40 = 31,385,418.80 : x
  2. Step 2: Convert to fraction form
    49,525,271.60/74,287,907.40 = 31,385,418.80/x
  3. Step 3: Cross multiply
    49,525,271.60x = 74,287,907.40 × 31,385,418.80
  4. Step 4: Simplify right side
    49,525,271.60x = 2,331,557,085,524,619.50
  5. Step 5: Solve for x
    x = 2,331,557,085,524,619.50/49,525,271.60
  6. Step 6: Final answer
    x = 47,078,128.20

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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.