Finding the Fourth Proportional to 116,869,159.84, 161,331,098.88 and 69,842,827.84
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Solution
The fourth proportional to 116,869,159.84, 161,331,098.88 and 69,842,827.84 is: 96,413,974.22
Step by Step Solution
- Step 1: Write the proportion equation
116,869,159.84 : 161,331,098.88 = 69,842,827.84 : x - Step 2: Convert to fraction form
116,869,159.84/161,331,098.88 = 69,842,827.84/x - Step 3: Cross multiply
116,869,159.84x = 161,331,098.88 × 69,842,827.84 - Step 4: Simplify right side
116,869,159.84x = 11,267,820,164,313,858 - Step 5: Solve for x
x = 11,267,820,164,313,858/116,869,159.84 - Step 6: Final answer
x = 96,413,974.22
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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.