Finding the Fourth Proportional to 122,420,037,094.09, 168,940,161,466.17 and 67,486,003,304.98
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Solution
The fourth proportional to 122,420,037,094.09, 168,940,161,466.17 and 67,486,003,304.98 is: 93,130,965,858.86
Step by Step Solution
- Step 1: Write the proportion equation
122,420,037,094.09 : 168,940,161,466.17 = 67,486,003,304.98 : x - Step 2: Convert to fraction form
122,420,037,094.09/168,940,161,466.17 = 67,486,003,304.98/x - Step 3: Cross multiply
122,420,037,094.09x = 168,940,161,466.17 × 67,486,003,304.98 - Step 4: Simplify right side
122,420,037,094.09x = 11,401,096,295,049,804,644,352 - Step 5: Solve for x
x = 11,401,096,295,049,804,644,352/122,420,037,094.09 - Step 6: Final answer
x = 93,130,965,858.86
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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.