Finding the Fourth Proportional to 153,926,140.46, 212,439,211.11 and 94,376,907.95
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Solution
The fourth proportional to 153,926,140.46, 212,439,211.11 and 94,376,907.95 is: 130,253,092.89
Step by Step Solution
- Step 1: Write the proportion equation
153,926,140.46 : 212,439,211.11 = 94,376,907.95 : x - Step 2: Convert to fraction form
153,926,140.46/212,439,211.11 = 94,376,907.95/x - Step 3: Cross multiply
153,926,140.46x = 212,439,211.11 × 94,376,907.95 - Step 4: Simplify right side
153,926,140.46x = 20,049,355,870,836,892 - Step 5: Solve for x
x = 20,049,355,870,836,892/153,926,140.46 - Step 6: Final answer
x = 130,253,092.89
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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.