Finding the Fourth Proportional to 315,546,220.17, 473,296,881.88 and 97,173,791.77
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Solution
The fourth proportional to 315,546,220.17, 473,296,881.88 and 97,173,791.77 is: 145,753,774.58
Step by Step Solution
- Step 1: Write the proportion equation
315,546,220.17 : 473,296,881.88 = 97,173,791.77 : x - Step 2: Convert to fraction form
315,546,220.17/473,296,881.88 = 97,173,791.77/x - Step 3: Cross multiply
315,546,220.17x = 473,296,881.88 × 97,173,791.77 - Step 4: Simplify right side
315,546,220.17x = 45,992,052,643,691,680 - Step 5: Solve for x
x = 45,992,052,643,691,680/315,546,220.17 - Step 6: Final answer
x = 145,753,774.58
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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.