Finding the Fourth Proportional to 79,187,795.39, 109,283,440.65 and 44,391,663.11
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Solution
The fourth proportional to 79,187,795.39, 109,283,440.65 and 44,391,663.11 is: 61,262,896.09
Step by Step Solution
- Step 1: Write the proportion equation
79,187,795.39 : 109,283,440.65 = 44,391,663.11 : x - Step 2: Convert to fraction form
79,187,795.39/109,283,440.65 = 44,391,663.11/x - Step 3: Cross multiply
79,187,795.39x = 109,283,440.65 × 44,391,663.11 - Step 4: Simplify right side
79,187,795.39x = 4,851,273,680,703,166 - Step 5: Solve for x
x = 4,851,273,680,703,166/79,187,795.39 - Step 6: Final answer
x = 61,262,896.09
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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.