Finding the Fourth Proportional to 73,552,147.20, 110,391,206.40 and 32,674,492.80
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Solution
The fourth proportional to 73,552,147.20, 110,391,206.40 and 32,674,492.80 is: 49,039,719.65
Step by Step Solution
- Step 1: Write the proportion equation
73,552,147.20 : 110,391,206.40 = 32,674,492.80 : x - Step 2: Convert to fraction form
73,552,147.20/110,391,206.40 = 32,674,492.80/x - Step 3: Cross multiply
73,552,147.20x = 110,391,206.40 × 32,674,492.80 - Step 4: Simplify right side
73,552,147.20x = 3,606,976,678,700,114 - Step 5: Solve for x
x = 3,606,976,678,700,114/73,552,147.20 - Step 6: Final answer
x = 49,039,719.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.