Finding the Fourth Proportional to 171,662,447.54, 236,886,969.30 and 97,328,010.08
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Solution
The fourth proportional to 171,662,447.54, 236,886,969.30 and 97,328,010.08 is: 134,308,566.99
Step by Step Solution
- Step 1: Write the proportion equation
171,662,447.54 : 236,886,969.30 = 97,328,010.08 : x - Step 2: Convert to fraction form
171,662,447.54/236,886,969.30 = 97,328,010.08/x - Step 3: Cross multiply
171,662,447.54x = 236,886,969.30 × 97,328,010.08 - Step 4: Simplify right side
171,662,447.54x = 23,055,737,335,851,052 - Step 5: Solve for x
x = 23,055,737,335,851,052/171,662,447.54 - Step 6: Final answer
x = 134,308,566.99
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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.