Finding the Fourth Proportional to 167,852,566.80, 251,778,850.20 and 99,660,157.20
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Solution
The fourth proportional to 167,852,566.80, 251,778,850.20 and 99,660,157.20 is: 149,490,235.80
Step by Step Solution
- Step 1: Write the proportion equation
167,852,566.80 : 251,778,850.20 = 99,660,157.20 : x - Step 2: Convert to fraction form
167,852,566.80/251,778,850.20 = 99,660,157.20/x - Step 3: Cross multiply
167,852,566.80x = 251,778,850.20 × 99,660,157.20 - Step 4: Simplify right side
167,852,566.80x = 25,092,319,790,567,252 - Step 5: Solve for x
x = 25,092,319,790,567,252/167,852,566.80 - Step 6: Final answer
x = 149,490,235.80
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1.5x scale
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.