Finding the Fourth Proportional to 163,991,640.53, 246,049,587.99 and 98,458,542.74
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Solution
The fourth proportional to 163,991,640.53, 246,049,587.99 and 98,458,542.74 is: 147,725,114.50
Step by Step Solution
- Step 1: Write the proportion equation
163,991,640.53 : 246,049,587.99 = 98,458,542.74 : x - Step 2: Convert to fraction form
163,991,640.53/246,049,587.99 = 98,458,542.74/x - Step 3: Cross multiply
163,991,640.53x = 246,049,587.99 × 98,458,542.74 - Step 4: Simplify right side
163,991,640.53x = 24,225,683,874,042,560 - Step 5: Solve for x
x = 24,225,683,874,042,560/163,991,640.53 - Step 6: Final answer
x = 147,725,114.50
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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.