Finding the Fourth Proportional to 175,897,105.26, 242,738,290.82 and 97,580,660.78
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Solution
The fourth proportional to 175,897,105.26, 242,738,290.82 and 97,580,660.78 is: 134,661,470.29
Step by Step Solution
- Step 1: Write the proportion equation
175,897,105.26 : 242,738,290.82 = 97,580,660.78 : x - Step 2: Convert to fraction form
175,897,105.26/242,738,290.82 = 97,580,660.78/x - Step 3: Cross multiply
175,897,105.26x = 242,738,290.82 × 97,580,660.78 - Step 4: Simplify right side
175,897,105.26x = 23,686,562,814,823,408 - Step 5: Solve for x
x = 23,686,562,814,823,408/175,897,105.26 - Step 6: Final answer
x = 134,661,470.29
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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.