Finding the Fourth Proportional to 246,138,280.74, 339,775,415.28 and 153,364,625.64
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Solution
The fourth proportional to 246,138,280.74, 339,775,415.28 and 153,364,625.64 is: 211,708,350.32
Step by Step Solution
- Step 1: Write the proportion equation
246,138,280.74 : 339,775,415.28 = 153,364,625.64 : x - Step 2: Convert to fraction form
246,138,280.74/339,775,415.28 = 153,364,625.64/x - Step 3: Cross multiply
246,138,280.74x = 339,775,415.28 × 153,364,625.64 - Step 4: Simplify right side
246,138,280.74x = 52,109,529,366,092,728 - Step 5: Solve for x
x = 52,109,529,366,092,728/246,138,280.74 - Step 6: Final answer
x = 211,708,350.32
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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.