Finding the Fourth Proportional to 73,331,962.20, 109,997,943.30 and 27,887,851.80
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Solution
The fourth proportional to 73,331,962.20, 109,997,943.30 and 27,887,851.80 is: 41,831,777.70
Step by Step Solution
- Step 1: Write the proportion equation
73,331,962.20 : 109,997,943.30 = 27,887,851.80 : x - Step 2: Convert to fraction form
73,331,962.20/109,997,943.30 = 27,887,851.80/x - Step 3: Cross multiply
73,331,962.20x = 109,997,943.30 × 27,887,851.80 - Step 4: Simplify right side
73,331,962.20x = 3,067,606,341,055,203 - Step 5: Solve for x
x = 3,067,606,341,055,203/73,331,962.20 - Step 6: Final answer
x = 41,831,777.70
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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.