Finding the Fourth Proportional to 178,702,755.01, 246,582,955.28 and 100,371,304.06
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Solution
The fourth proportional to 178,702,755.01, 246,582,955.28 and 100,371,304.06 is: 138,497,320.75
Step by Step Solution
- Step 1: Write the proportion equation
178,702,755.01 : 246,582,955.28 = 100,371,304.06 : x - Step 2: Convert to fraction form
178,702,755.01/246,582,955.28 = 100,371,304.06/x - Step 3: Cross multiply
178,702,755.01x = 246,582,955.28 × 100,371,304.06 - Step 4: Simplify right side
178,702,755.01x = 24,749,852,780,056,736 - Step 5: Solve for x
x = 24,749,852,780,056,736/178,702,755.01 - Step 6: Final answer
x = 138,497,320.75
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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.