Finding the Fourth Proportional to 163,213,872.80, 228,801,752.80 and 163,213,872.80
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Solution
The fourth proportional to 163,213,872.80, 228,801,752.80 and 163,213,872.80 is: 228,801,752.80
Step by Step Solution
- Step 1: Write the proportion equation
163,213,872.80 : 228,801,752.80 = 163,213,872.80 : x - Step 2: Convert to fraction form
163,213,872.80/228,801,752.80 = 163,213,872.80/x - Step 3: Cross multiply
163,213,872.80x = 228,801,752.80 × 163,213,872.80 - Step 4: Simplify right side
163,213,872.80x = 37,343,620,177,916,248 - Step 5: Solve for x
x = 37,343,620,177,916,248/163,213,872.80 - Step 6: Final answer
x = 228,801,752.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.