Finding the Fourth Proportional to 175,431,408.72, 242,097,258.96 and 97,116,270
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Solution
The fourth proportional to 175,431,408.72, 242,097,258.96 and 97,116,270 is: 134,021,512.68
Step by Step Solution
- Step 1: Write the proportion equation
175,431,408.72 : 242,097,258.96 = 97,116,270 : x - Step 2: Convert to fraction form
175,431,408.72/242,097,258.96 = 97,116,270/x - Step 3: Cross multiply
175,431,408.72x = 242,097,258.96 × 97,116,270 - Step 4: Simplify right side
175,431,408.72x = 23,511,582,767,419,280 - Step 5: Solve for x
x = 23,511,582,767,419,280/175,431,408.72 - Step 6: Final answer
x = 134,021,512.68
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1.5x scale
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.