Finding the Fourth Proportional to 68,203,970,846.92, 101,806,403,621.99 and 60,152,512,151.08
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Solution
The fourth proportional to 68,203,970,846.92, 101,806,403,621.99 and 60,152,512,151.08 is: 89,788,187,621.43
Step by Step Solution
- Step 1: Write the proportion equation
68,203,970,846.92 : 101,806,403,621.99 = 60,152,512,151.08 : x - Step 2: Convert to fraction form
68,203,970,846.92/101,806,403,621.99 = 60,152,512,151.08/x - Step 3: Cross multiply
68,203,970,846.92x = 101,806,403,621.99 × 60,152,512,151.08 - Step 4: Simplify right side
68,203,970,846.92x = 6,123,910,930,929,508,417,536 - Step 5: Solve for x
x = 6,123,910,930,929,508,417,536/68,203,970,846.92 - Step 6: Final answer
x = 89,788,187,621.43
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.