Finding the Fourth Proportional to 86,531,505,124.26, 119,414,178,208.92 and 47,951,069,442.18
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Solution
The fourth proportional to 86,531,505,124.26, 119,414,178,208.92 and 47,951,069,442.18 is: 66,172,864,362.57
Step by Step Solution
- Step 1: Write the proportion equation
86,531,505,124.26 : 119,414,178,208.92 = 47,951,069,442.18 : x - Step 2: Convert to fraction form
86,531,505,124.26/119,414,178,208.92 = 47,951,069,442.18/x - Step 3: Cross multiply
86,531,505,124.26x = 119,414,178,208.92 × 47,951,069,442.18 - Step 4: Simplify right side
86,531,505,124.26x = 5,726,037,551,676,780,445,696 - Step 5: Solve for x
x = 5,726,037,551,676,780,445,696/86,531,505,124.26 - Step 6: Final answer
x = 66,172,864,362.57
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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.