Finding the Fourth Proportional to 230,868,396.92, 318,598,695 and 125,021,994.88
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Solution
The fourth proportional to 230,868,396.92, 318,598,695 and 125,021,994.88 is: 172,530,519.32
Step by Step Solution
- Step 1: Write the proportion equation
230,868,396.92 : 318,598,695 = 125,021,994.88 : x - Step 2: Convert to fraction form
230,868,396.92/318,598,695 = 125,021,994.88/x - Step 3: Cross multiply
230,868,396.92x = 318,598,695 × 125,021,994.88 - Step 4: Simplify right side
230,868,396.92x = 39,831,844,415,064,680 - Step 5: Solve for x
x = 39,831,844,415,064,680/230,868,396.92 - Step 6: Final answer
x = 172,530,519.32
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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.