Finding the Fourth Proportional to 168,342,831,846, 232,311,257,220.60 and 91,178,752,037.00
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Solution
The fourth proportional to 168,342,831,846, 232,311,257,220.60 and 91,178,752,037.00 is: 125,825,675,410.38
Step by Step Solution
- Step 1: Write the proportion equation
168,342,831,846 : 232,311,257,220.60 = 91,178,752,037.00 : x - Step 2: Convert to fraction form
168,342,831,846/232,311,257,220.60 = 91,178,752,037.00/x - Step 3: Cross multiply
168,342,831,846x = 232,311,257,220.60 × 91,178,752,037.00 - Step 4: Simplify right side
168,342,831,846x = 21,181,850,517,519,653,142,528 - Step 5: Solve for x
x = 21,181,850,517,519,653,142,528/168,342,831,846 - Step 6: Final answer
x = 125,825,675,410.38
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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.