Finding the Fourth Proportional to 66,562,803.10, 99,844,204.65 and 48,281,232.70
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Solution
The fourth proportional to 66,562,803.10, 99,844,204.65 and 48,281,232.70 is: 72,421,849.05
Step by Step Solution
- Step 1: Write the proportion equation
66,562,803.10 : 99,844,204.65 = 48,281,232.70 : x - Step 2: Convert to fraction form
66,562,803.10/99,844,204.65 = 48,281,232.70/x - Step 3: Cross multiply
66,562,803.10x = 99,844,204.65 × 48,281,232.70 - Step 4: Simplify right side
66,562,803.10x = 4,820,601,278,453,073 - Step 5: Solve for x
x = 4,820,601,278,453,073/66,562,803.10 - Step 6: Final answer
x = 72,421,849.05
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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.