Home / 90,804,741.24-125,313,189.30-49,554,290.64

Finding the Fourth Proportional to 90,804,741.24, 125,313,189.30 and 49,554,290.64

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Solution

The fourth proportional to 90,804,741.24, 125,313,189.30 and 49,554,290.64 is: 68,386,365.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,804,741.24 : 125,313,189.30 = 49,554,290.64 : x
  2. Step 2: Convert to fraction form
    90,804,741.24/125,313,189.30 = 49,554,290.64/x
  3. Step 3: Cross multiply
    90,804,741.24x = 125,313,189.30 × 49,554,290.64
  4. Step 4: Simplify right side
    90,804,741.24x = 6,209,806,203,597,538
  5. Step 5: Solve for x
    x = 6,209,806,203,597,538/90,804,741.24
  6. Step 6: Final answer
    x = 68,386,365.28

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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.