Finding the Fourth Proportional to 157,622,619.87, 236,354,552.64 and 52,540,758.14
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Solution
The fourth proportional to 157,622,619.87, 236,354,552.64 and 52,540,758.14 is: 78,784,678.21
Step by Step Solution
- Step 1: Write the proportion equation
157,622,619.87 : 236,354,552.64 = 52,540,758.14 : x - Step 2: Convert to fraction form
157,622,619.87/236,354,552.64 = 52,540,758.14/x - Step 3: Cross multiply
157,622,619.87x = 236,354,552.64 × 52,540,758.14 - Step 4: Simplify right side
157,622,619.87x = 12,418,247,384,364,364 - Step 5: Solve for x
x = 12,418,247,384,364,364/157,622,619.87 - Step 6: Final answer
x = 78,784,678.21
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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.