Finding the Fourth Proportional to 202,464,878.62, 304,181,813.52 and 129,823,979.26
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Solution
The fourth proportional to 202,464,878.62, 304,181,813.52 and 129,823,979.26 is: 195,046,635.84
Step by Step Solution
- Step 1: Write the proportion equation
202,464,878.62 : 304,181,813.52 = 129,823,979.26 : x - Step 2: Convert to fraction form
202,464,878.62/304,181,813.52 = 129,823,979.26/x - Step 3: Cross multiply
202,464,878.62x = 304,181,813.52 × 129,823,979.26 - Step 4: Simplify right side
202,464,878.62x = 39,490,093,449,689,664 - Step 5: Solve for x
x = 39,490,093,449,689,664/202,464,878.62 - Step 6: Final answer
x = 195,046,635.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.