Finding the Fourth Proportional to 51,378,790.10, 77,133,952.49 and 44,138,570.78
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Solution
The fourth proportional to 51,378,790.10, 77,133,952.49 and 44,138,570.78 is: 66,264,355.68
Step by Step Solution
- Step 1: Write the proportion equation
51,378,790.10 : 77,133,952.49 = 44,138,570.78 : x - Step 2: Convert to fraction form
51,378,790.10/77,133,952.49 = 44,138,570.78/x - Step 3: Cross multiply
51,378,790.10x = 77,133,952.49 × 44,138,570.78 - Step 4: Simplify right side
51,378,790.10x = 3,404,582,421,493,164 - Step 5: Solve for x
x = 3,404,582,421,493,164/51,378,790.10 - Step 6: Final answer
x = 66,264,355.68
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.