Finding the Fourth Proportional to 113,765,906.19, 156,995,832.83 and 61,553,796.24
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Solution
The fourth proportional to 113,765,906.19, 156,995,832.83 and 61,553,796.24 is: 84,943,634.07
Step by Step Solution
- Step 1: Write the proportion equation
113,765,906.19 : 156,995,832.83 = 61,553,796.24 : x - Step 2: Convert to fraction form
113,765,906.19/156,995,832.83 = 61,553,796.24/x - Step 3: Cross multiply
113,765,906.19x = 156,995,832.83 × 61,553,796.24 - Step 4: Simplify right side
113,765,906.19x = 9,663,689,504,546,924 - Step 5: Solve for x
x = 9,663,689,504,546,924/113,765,906.19 - Step 6: Final answer
x = 84,943,634.07
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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.