Finding the Fourth Proportional to 154,275,461.26, 212,889,654.99 and 84,665,326.18
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Solution
The fourth proportional to 154,275,461.26, 212,889,654.99 and 84,665,326.18 is: 116,832,397.93
Step by Step Solution
- Step 1: Write the proportion equation
154,275,461.26 : 212,889,654.99 = 84,665,326.18 : x - Step 2: Convert to fraction form
154,275,461.26/212,889,654.99 = 84,665,326.18/x - Step 3: Cross multiply
154,275,461.26x = 212,889,654.99 × 84,665,326.18 - Step 4: Simplify right side
154,275,461.26x = 18,024,372,080,076,016 - Step 5: Solve for x
x = 18,024,372,080,076,016/154,275,461.26 - Step 6: Final answer
x = 116,832,397.93
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.