Finding the Fourth Proportional to 159,843,721.68, 220,584,333.24 and 86,504,863.68
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Solution
The fourth proportional to 159,843,721.68, 220,584,333.24 and 86,504,863.68 is: 119,376,710.43
Step by Step Solution
- Step 1: Write the proportion equation
159,843,721.68 : 220,584,333.24 = 86,504,863.68 : x - Step 2: Convert to fraction form
159,843,721.68/220,584,333.24 = 86,504,863.68/x - Step 3: Cross multiply
159,843,721.68x = 220,584,333.24 × 86,504,863.68 - Step 4: Simplify right side
159,843,721.68x = 19,081,617,676,869,896 - Step 5: Solve for x
x = 19,081,617,676,869,896/159,843,721.68 - Step 6: Final answer
x = 119,376,710.43
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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.