Finding the Fourth Proportional to 79,088,406.77, 109,153,459.73 and 44,283,340.19
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Solution
The fourth proportional to 79,088,406.77, 109,153,459.73 and 44,283,340.19 is: 61,117,425.26
Step by Step Solution
- Step 1: Write the proportion equation
79,088,406.77 : 109,153,459.73 = 44,283,340.19 : x - Step 2: Convert to fraction form
79,088,406.77/109,153,459.73 = 44,283,340.19/x - Step 3: Cross multiply
79,088,406.77x = 109,153,459.73 × 44,283,340.19 - Step 4: Simplify right side
79,088,406.77x = 4,833,679,789,917,638 - Step 5: Solve for x
x = 4,833,679,789,917,638/79,088,406.77 - Step 6: Final answer
x = 61,117,425.26
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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.