Finding the Fourth Proportional to 68,241,470.40, 102,362,205.60 and 48,870,445.95
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Solution
The fourth proportional to 68,241,470.40, 102,362,205.60 and 48,870,445.95 is: 73,305,668.93
Step by Step Solution
- Step 1: Write the proportion equation
68,241,470.40 : 102,362,205.60 = 48,870,445.95 : x - Step 2: Convert to fraction form
68,241,470.40/102,362,205.60 = 48,870,445.95/x - Step 3: Cross multiply
68,241,470.40x = 102,362,205.60 × 48,870,445.95 - Step 4: Simplify right side
68,241,470.40x = 5,002,486,636,097,587 - Step 5: Solve for x
x = 5,002,486,636,097,587/68,241,470.40 - Step 6: Final answer
x = 73,305,668.93
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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.