Finding the Fourth Proportional to 157,564,220.63, 217,474,904.18 and 92,395,119.83
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Solution
The fourth proportional to 157,564,220.63, 217,474,904.18 and 92,395,119.83 is: 127,526,539.66
Step by Step Solution
- Step 1: Write the proportion equation
157,564,220.63 : 217,474,904.18 = 92,395,119.83 : x - Step 2: Convert to fraction form
157,564,220.63/217,474,904.18 = 92,395,119.83/x - Step 3: Cross multiply
157,564,220.63x = 217,474,904.18 × 92,395,119.83 - Step 4: Simplify right side
157,564,220.63x = 20,093,619,831,728,868 - Step 5: Solve for x
x = 20,093,619,831,728,868/157,564,220.63 - Step 6: Final answer
x = 127,526,539.66
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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.