Finding the Fourth Proportional to 157,564,220.64, 217,474,904.18 and 92,395,119.84
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Solution
The fourth proportional to 157,564,220.64, 217,474,904.18 and 92,395,119.84 is: 127,526,539.67
Step by Step Solution
- Step 1: Write the proportion equation
157,564,220.64 : 217,474,904.18 = 92,395,119.84 : x - Step 2: Convert to fraction form
157,564,220.64/217,474,904.18 = 92,395,119.84/x - Step 3: Cross multiply
157,564,220.64x = 217,474,904.18 × 92,395,119.84 - Step 4: Simplify right side
157,564,220.64x = 20,093,619,833,903,620 - Step 5: Solve for x
x = 20,093,619,833,903,620/157,564,220.64 - Step 6: Final answer
x = 127,526,539.67
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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.