Finding the Fourth Proportional to 157,717,431.80, 235,592,627.58 and 116,856,677.08
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Solution
The fourth proportional to 157,717,431.80, 235,592,627.58 and 116,856,677.08 is: 174,556,301.67
Step by Step Solution
- Step 1: Write the proportion equation
157,717,431.80 : 235,592,627.58 = 116,856,677.08 : x - Step 2: Convert to fraction form
157,717,431.80/235,592,627.58 = 116,856,677.08/x - Step 3: Cross multiply
157,717,431.80x = 235,592,627.58 × 116,856,677.08 - Step 4: Simplify right side
157,717,431.80x = 27,530,571,603,544,764 - Step 5: Solve for x
x = 27,530,571,603,544,764/157,717,431.80 - Step 6: Final answer
x = 174,556,301.67
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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.