Finding the Fourth Proportional to 155,192,647,402.24, 214,165,450,596.48 and 86,603,341,361.92
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Solution
The fourth proportional to 155,192,647,402.24, 214,165,450,596.48 and 86,603,341,361.92 is: 119,512,386,291.50
Step by Step Solution
- Step 1: Write the proportion equation
155,192,647,402.24 : 214,165,450,596.48 = 86,603,341,361.92 : x - Step 2: Convert to fraction form
155,192,647,402.24/214,165,450,596.48 = 86,603,341,361.92/x - Step 3: Cross multiply
155,192,647,402.24x = 214,165,450,596.48 × 86,603,341,361.92 - Step 4: Simplify right side
155,192,647,402.24x = 18,547,443,625,936,371,580,928 - Step 5: Solve for x
x = 18,547,443,625,936,371,580,928/155,192,647,402.24 - Step 6: Final answer
x = 119,512,386,291.50
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1.5x scale
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.