Finding the Fourth Proportional to 86,531,505,118.76, 119,414,178,201.34 and 47,951,069,436.70
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Solution
The fourth proportional to 86,531,505,118.76, 119,414,178,201.34 and 47,951,069,436.70 is: 66,172,864,355.01
Step by Step Solution
- Step 1: Write the proportion equation
86,531,505,118.76 : 119,414,178,201.34 = 47,951,069,436.70 : x - Step 2: Convert to fraction form
86,531,505,118.76/119,414,178,201.34 = 47,951,069,436.70/x - Step 3: Cross multiply
86,531,505,118.76x = 119,414,178,201.34 × 47,951,069,436.70 - Step 4: Simplify right side
86,531,505,118.76x = 5,726,037,550,658,921,431,040 - Step 5: Solve for x
x = 5,726,037,550,658,921,431,040/86,531,505,118.76 - Step 6: Final answer
x = 66,172,864,355.01
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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.