Finding the Fourth Proportional to 70,936,828.18, 97,893,909.39 and 41,561,131.66
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Solution
The fourth proportional to 70,936,828.18, 97,893,909.39 and 41,561,131.66 is: 57,354,998.26
Step by Step Solution
- Step 1: Write the proportion equation
70,936,828.18 : 97,893,909.39 = 41,561,131.66 : x - Step 2: Convert to fraction form
70,936,828.18/97,893,909.39 = 41,561,131.66/x - Step 3: Cross multiply
70,936,828.18x = 97,893,909.39 × 41,561,131.66 - Step 4: Simplify right side
70,936,828.18x = 4,068,581,656,869,900 - Step 5: Solve for x
x = 4,068,581,656,869,900/70,936,828.18 - Step 6: Final answer
x = 57,354,998.26
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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.