Finding the Fourth Proportional to 160,512,350.87, 221,512,496.64 and 153,157,415.15
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Solution
The fourth proportional to 160,512,350.87, 221,512,496.64 and 153,157,415.15 is: 211,362,435.51
Step by Step Solution
- Step 1: Write the proportion equation
160,512,350.87 : 221,512,496.64 = 153,157,415.15 : x - Step 2: Convert to fraction form
160,512,350.87/221,512,496.64 = 153,157,415.15/x - Step 3: Cross multiply
160,512,350.87x = 221,512,496.64 × 153,157,415.15 - Step 4: Simplify right side
160,512,350.87x = 33,926,281,408,805,460 - Step 5: Solve for x
x = 33,926,281,408,805,460/160,512,350.87 - Step 6: Final answer
x = 211,362,435.51
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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.