Finding the Fourth Proportional to 157,467,935.70, 235,446,076.35 and 116,653,266.90
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Solution
The fourth proportional to 157,467,935.70, 235,446,076.35 and 116,653,266.90 is: 174,419,978.66
Step by Step Solution
- Step 1: Write the proportion equation
157,467,935.70 : 235,446,076.35 = 116,653,266.90 : x - Step 2: Convert to fraction form
157,467,935.70/235,446,076.35 = 116,653,266.90/x - Step 3: Cross multiply
157,467,935.70x = 235,446,076.35 × 116,653,266.90 - Step 4: Simplify right side
157,467,935.70x = 27,465,553,985,014,328 - Step 5: Solve for x
x = 27,465,553,985,014,328/157,467,935.70 - Step 6: Final answer
x = 174,419,978.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.