Finding the Fourth Proportional to 141,483,639.96, 195,233,486.94 and 79,602,612.12
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Solution
The fourth proportional to 141,483,639.96, 195,233,486.94 and 79,602,612.12 is: 109,843,763.83
Step by Step Solution
- Step 1: Write the proportion equation
141,483,639.96 : 195,233,486.94 = 79,602,612.12 : x - Step 2: Convert to fraction form
141,483,639.96/195,233,486.94 = 79,602,612.12/x - Step 3: Cross multiply
141,483,639.96x = 195,233,486.94 × 79,602,612.12 - Step 4: Simplify right side
141,483,639.96x = 15,541,095,533,719,906 - Step 5: Solve for x
x = 15,541,095,533,719,906/141,483,639.96 - Step 6: Final answer
x = 109,843,763.83
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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.