Finding the Fourth Proportional to 168,342,831,847, 232,311,257,221.98 and 91,178,752,038
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Solution
The fourth proportional to 168,342,831,847, 232,311,257,221.98 and 91,178,752,038 is: 125,825,675,411.77
Step by Step Solution
- Step 1: Write the proportion equation
168,342,831,847 : 232,311,257,221.98 = 91,178,752,038 : x - Step 2: Convert to fraction form
168,342,831,847/232,311,257,221.98 = 91,178,752,038/x - Step 3: Cross multiply
168,342,831,847x = 232,311,257,221.98 × 91,178,752,038 - Step 4: Simplify right side
168,342,831,847x = 21,181,850,517,878,954,000,384 - Step 5: Solve for x
x = 21,181,850,517,878,954,000,384/168,342,831,847 - Step 6: Final answer
x = 125,825,675,411.77
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.