Finding the Fourth Proportional to 157,564,219.63, 217,474,902.80 and 92,395,118.83
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Solution
The fourth proportional to 157,564,219.63, 217,474,902.80 and 92,395,118.83 is: 127,526,538.28
Step by Step Solution
- Step 1: Write the proportion equation
157,564,219.63 : 217,474,902.80 = 92,395,118.83 : x - Step 2: Convert to fraction form
157,564,219.63/217,474,902.80 = 92,395,118.83/x - Step 3: Cross multiply
157,564,219.63x = 217,474,902.80 × 92,395,118.83 - Step 4: Simplify right side
157,564,219.63x = 20,093,619,486,286,724 - Step 5: Solve for x
x = 20,093,619,486,286,724/157,564,219.63 - Step 6: Final answer
x = 127,526,538.28
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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.