Finding the Fourth Proportional to 70,934,323.62, 97,894,912.05 and 39,582,230.34
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Solution
The fourth proportional to 70,934,323.62, 97,894,912.05 and 39,582,230.34 is: 54,626,572.30
Step by Step Solution
- Step 1: Write the proportion equation
70,934,323.62 : 97,894,912.05 = 39,582,230.34 : x - Step 2: Convert to fraction form
70,934,323.62/97,894,912.05 = 39,582,230.34/x - Step 3: Cross multiply
70,934,323.62x = 97,894,912.05 × 39,582,230.34 - Step 4: Simplify right side
70,934,323.62x = 3,874,898,957,877,142 - Step 5: Solve for x
x = 3,874,898,957,877,142/70,934,323.62 - Step 6: Final answer
x = 54,626,572.30
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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.