Finding the Fourth Proportional to 79,581,359.58, 109,821,151.32 and 44,773,966.99
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Solution
The fourth proportional to 79,581,359.58, 109,821,151.32 and 44,773,966.99 is: 61,787,441.56
Step by Step Solution
- Step 1: Write the proportion equation
79,581,359.58 : 109,821,151.32 = 44,773,966.99 : x - Step 2: Convert to fraction form
79,581,359.58/109,821,151.32 = 44,773,966.99/x - Step 3: Cross multiply
79,581,359.58x = 109,821,151.32 × 44,773,966.99 - Step 4: Simplify right side
79,581,359.58x = 4,917,128,604,005,475 - Step 5: Solve for x
x = 4,917,128,604,005,475/79,581,359.58 - Step 6: Final answer
x = 61,787,441.56
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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.