Finding the Fourth Proportional to 270,602,639.41, 373,431,642.42 and 146,843,316.53
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Solution
The fourth proportional to 270,602,639.41, 373,431,642.42 and 146,843,316.53 is: 202,643,776.83
Step by Step Solution
- Step 1: Write the proportion equation
270,602,639.41 : 373,431,642.42 = 146,843,316.53 : x - Step 2: Convert to fraction form
270,602,639.41/373,431,642.42 = 146,843,316.53/x - Step 3: Cross multiply
270,602,639.41x = 373,431,642.42 × 146,843,316.53 - Step 4: Simplify right side
270,602,639.41x = 54,835,940,870,197,840 - Step 5: Solve for x
x = 54,835,940,870,197,840/270,602,639.41 - Step 6: Final answer
x = 202,643,776.83
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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.