Finding the Fourth Proportional to 63,028,368.80, 86,985,835.97 and 36,944,801.65
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Solution
The fourth proportional to 63,028,368.80, 86,985,835.97 and 36,944,801.65 is: 50,987,745.95
Step by Step Solution
- Step 1: Write the proportion equation
63,028,368.80 : 86,985,835.97 = 36,944,801.65 : x - Step 2: Convert to fraction form
63,028,368.80/86,985,835.97 = 36,944,801.65/x - Step 3: Cross multiply
63,028,368.80x = 86,985,835.97 × 36,944,801.65 - Step 4: Simplify right side
63,028,368.80x = 3,213,674,456,271,085 - Step 5: Solve for x
x = 3,213,674,456,271,085/63,028,368.80 - Step 6: Final answer
x = 50,987,745.95
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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.