Finding the Fourth Proportional to 107,550,359,990.96, 148,432,511,518.29 and 61,212,053,728.12
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Solution
The fourth proportional to 107,550,359,990.96, 148,432,511,518.29 and 61,212,053,728.12 is: 84,480,041,450.55
Step by Step Solution
- Step 1: Write the proportion equation
107,550,359,990.96 : 148,432,511,518.29 = 61,212,053,728.12 : x - Step 2: Convert to fraction form
107,550,359,990.96/148,432,511,518.29 = 61,212,053,728.12/x - Step 3: Cross multiply
107,550,359,990.96x = 148,432,511,518.29 × 61,212,053,728.12 - Step 4: Simplify right side
107,550,359,990.96x = 9,085,858,870,057,952,608,256 - Step 5: Solve for x
x = 9,085,858,870,057,952,608,256/107,550,359,990.96 - Step 6: Final answer
x = 84,480,041,450.55
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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.