Finding the Fourth Proportional to 47,477,976.68, 71,201,349.30 and 16,766,985.44
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Solution
The fourth proportional to 47,477,976.68, 71,201,349.30 and 16,766,985.44 is: 25,144,963.42
Step by Step Solution
- Step 1: Write the proportion equation
47,477,976.68 : 71,201,349.30 = 16,766,985.44 : x - Step 2: Convert to fraction form
47,477,976.68/71,201,349.30 = 16,766,985.44/x - Step 3: Cross multiply
47,477,976.68x = 71,201,349.30 × 16,766,985.44 - Step 4: Simplify right side
47,477,976.68x = 1,193,831,987,021,454 - Step 5: Solve for x
x = 1,193,831,987,021,454/47,477,976.68 - Step 6: Final answer
x = 25,144,963.42
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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.