Finding the Fourth Proportional to 178,704,192.51, 246,622,320.02 and 134,573,331.87
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Solution
The fourth proportional to 178,704,192.51, 246,622,320.02 and 134,573,331.87 is: 185,719,130.88
Step by Step Solution
- Step 1: Write the proportion equation
178,704,192.51 : 246,622,320.02 = 134,573,331.87 : x - Step 2: Convert to fraction form
178,704,192.51/246,622,320.02 = 134,573,331.87/x - Step 3: Cross multiply
178,704,192.51x = 246,622,320.02 × 134,573,331.87 - Step 4: Simplify right side
178,704,192.51x = 33,188,787,317,927,936 - Step 5: Solve for x
x = 33,188,787,317,927,936/178,704,192.51 - Step 6: Final answer
x = 185,719,130.88
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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.