Finding the Fourth Proportional to 68,203,970,828.16, 101,806,403,593.68 and 60,152,512,132.32
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Solution
The fourth proportional to 68,203,970,828.16, 101,806,403,593.68 and 60,152,512,132.32 is: 89,788,187,593.15
Step by Step Solution
- Step 1: Write the proportion equation
68,203,970,828.16 : 101,806,403,593.68 = 60,152,512,132.32 : x - Step 2: Convert to fraction form
68,203,970,828.16/101,806,403,593.68 = 60,152,512,132.32/x - Step 3: Cross multiply
68,203,970,828.16x = 101,806,403,593.68 × 60,152,512,132.32 - Step 4: Simplify right side
68,203,970,828.16x = 6,123,910,927,316,701,675,520 - Step 5: Solve for x
x = 6,123,910,927,316,701,675,520/68,203,970,828.16 - Step 6: Final answer
x = 89,788,187,593.15
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1.5x scale
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.