Finding the Fourth Proportional to 171,428,621.16, 236,574,613.74 and 97,104,613.32
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Solution
The fourth proportional to 171,428,621.16, 236,574,613.74 and 97,104,613.32 is: 134,006,131.72
Step by Step Solution
- Step 1: Write the proportion equation
171,428,621.16 : 236,574,613.74 = 97,104,613.32 : x - Step 2: Convert to fraction form
171,428,621.16/236,574,613.74 = 97,104,613.32/x - Step 3: Cross multiply
171,428,621.16x = 236,574,613.74 × 97,104,613.32 - Step 4: Simplify right side
171,428,621.16x = 22,972,486,388,551,060 - Step 5: Solve for x
x = 22,972,486,388,551,060/171,428,621.16 - Step 6: Final answer
x = 134,006,131.72
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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.