Finding the Fourth Proportional to 79,119,354.61, 109,183,264.23 and 43,837,030.99
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Solution
The fourth proportional to 79,119,354.61, 109,183,264.23 and 43,837,030.99 is: 60,494,302.07
Step by Step Solution
- Step 1: Write the proportion equation
79,119,354.61 : 109,183,264.23 = 43,837,030.99 : x - Step 2: Convert to fraction form
79,119,354.61/109,183,264.23 = 43,837,030.99/x - Step 3: Cross multiply
79,119,354.61x = 109,183,264.23 × 43,837,030.99 - Step 4: Simplify right side
79,119,354.61x = 4,786,270,137,639,869 - Step 5: Solve for x
x = 4,786,270,137,639,869/79,119,354.61 - Step 6: Final answer
x = 60,494,302.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.