Home / 61,305,977.94-91,952,668.35-20,368,137.30

Finding the Fourth Proportional to 61,305,977.94, 91,952,668.35 and 20,368,137.30

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Solution

The fourth proportional to 61,305,977.94, 91,952,668.35 and 20,368,137.30 is: 30,550,113.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,305,977.94 : 91,952,668.35 = 20,368,137.30 : x
  2. Step 2: Convert to fraction form
    61,305,977.94/91,952,668.35 = 20,368,137.30/x
  3. Step 3: Cross multiply
    61,305,977.94x = 91,952,668.35 × 20,368,137.30
  4. Step 4: Simplify right side
    61,305,977.94x = 1,872,904,574,054,164.50
  5. Step 5: Solve for x
    x = 1,872,904,574,054,164.50/61,305,977.94
  6. Step 6: Final answer
    x = 30,550,113.33

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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.