Finding the Fourth Proportional to 121,995,432,985.05, 182,993,149,477.58 and 121,995,432,985.05
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Solution
The fourth proportional to 121,995,432,985.05, 182,993,149,477.58 and 121,995,432,985.05 is: 182,993,149,477.58
Step by Step Solution
- Step 1: Write the proportion equation
121,995,432,985.05 : 182,993,149,477.58 = 121,995,432,985.05 : x - Step 2: Convert to fraction form
121,995,432,985.05/182,993,149,477.58 = 121,995,432,985.05/x - Step 3: Cross multiply
121,995,432,985.05x = 182,993,149,477.58 × 121,995,432,985.05 - Step 4: Simplify right side
121,995,432,985.05x = 22,324,328,503,815,348,158,464 - Step 5: Solve for x
x = 22,324,328,503,815,348,158,464/121,995,432,985.05 - Step 6: Final answer
x = 182,993,149,477.58
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1.5x scale
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.