Finding the Fourth Proportional to 121,987,843.98, 182,983,952.85 and 44,319,907.02
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Solution
The fourth proportional to 121,987,843.98, 182,983,952.85 and 44,319,907.02 is: 66,480,655.05
Step by Step Solution
- Step 1: Write the proportion equation
121,987,843.98 : 182,983,952.85 = 44,319,907.02 : x - Step 2: Convert to fraction form
121,987,843.98/182,983,952.85 = 44,319,907.02/x - Step 3: Cross multiply
121,987,843.98x = 182,983,952.85 × 44,319,907.02 - Step 4: Simplify right side
121,987,843.98x = 8,109,831,776,464,064 - Step 5: Solve for x
x = 8,109,831,776,464,064/121,987,843.98 - Step 6: Final answer
x = 66,480,655.05
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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.