Finding the Fourth Proportional to 168,168,474.88, 232,187,245.20 and 108,773,743.12
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Solution
The fourth proportional to 168,168,474.88, 232,187,245.20 and 108,773,743.12 is: 150,181,987.34
Step by Step Solution
- Step 1: Write the proportion equation
168,168,474.88 : 232,187,245.20 = 108,773,743.12 : x - Step 2: Convert to fraction form
168,168,474.88/232,187,245.20 = 108,773,743.12/x - Step 3: Cross multiply
168,168,474.88x = 232,187,245.20 × 108,773,743.12 - Step 4: Simplify right side
168,168,474.88x = 25,255,875,765,125,252 - Step 5: Solve for x
x = 25,255,875,765,125,252/168,168,474.88 - Step 6: Final answer
x = 150,181,987.34
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1.5x scale
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.