Finding the Fourth Proportional to 91,158,148.18, 136,737,572.87 and 22,070,836.63
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Solution
The fourth proportional to 91,158,148.18, 136,737,572.87 and 22,070,836.63 is: 33,106,339.83
Step by Step Solution
- Step 1: Write the proportion equation
91,158,148.18 : 136,737,572.87 = 22,070,836.63 : x - Step 2: Convert to fraction form
91,158,148.18/136,737,572.87 = 22,070,836.63/x - Step 3: Cross multiply
91,158,148.18x = 136,737,572.87 × 22,070,836.63 - Step 4: Simplify right side
91,158,148.18x = 3,017,912,631,709,823.50 - Step 5: Solve for x
x = 3,017,912,631,709,823.50/91,158,148.18 - Step 6: Final answer
x = 33,106,339.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.