Finding the Fourth Proportional to 217,291,587.84, 325,932,647.04 and 102,212,343.36
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Solution
The fourth proportional to 217,291,587.84, 325,932,647.04 and 102,212,343.36 is: 153,316,287.86
Step by Step Solution
- Step 1: Write the proportion equation
217,291,587.84 : 325,932,647.04 = 102,212,343.36 : x - Step 2: Convert to fraction form
217,291,587.84/325,932,647.04 = 102,212,343.36/x - Step 3: Cross multiply
217,291,587.84x = 325,932,647.04 × 102,212,343.36 - Step 4: Simplify right side
217,291,587.84x = 33,314,339,631,486,168 - Step 5: Solve for x
x = 33,314,339,631,486,168/217,291,587.84 - Step 6: Final answer
x = 153,316,287.86
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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.