Finding the Fourth Proportional to 180,116,361.91, 248,560,791.98 and 97,610,146.66
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Solution
The fourth proportional to 180,116,361.91, 248,560,791.98 and 97,610,146.66 is: 134,702,117.57
Step by Step Solution
- Step 1: Write the proportion equation
180,116,361.91 : 248,560,791.98 = 97,610,146.66 : x - Step 2: Convert to fraction form
180,116,361.91/248,560,791.98 = 97,610,146.66/x - Step 3: Cross multiply
180,116,361.91x = 248,560,791.98 × 97,610,146.66 - Step 4: Simplify right side
180,116,361.91x = 24,262,055,359,093,548 - Step 5: Solve for x
x = 24,262,055,359,093,548/180,116,361.91 - Step 6: Final answer
x = 134,702,117.57
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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.