Finding the Fourth Proportional to 316,350,651.68, 474,191,163.12 and 143,948,533.40
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Solution
The fourth proportional to 316,350,651.68, 474,191,163.12 and 143,948,533.40 is: 215,770,450.04
Step by Step Solution
- Step 1: Write the proportion equation
316,350,651.68 : 474,191,163.12 = 143,948,533.40 : x - Step 2: Convert to fraction form
316,350,651.68/474,191,163.12 = 143,948,533.40/x - Step 3: Cross multiply
316,350,651.68x = 474,191,163.12 × 143,948,533.40 - Step 4: Simplify right side
316,350,651.68x = 68,259,122,482,364,168 - Step 5: Solve for x
x = 68,259,122,482,364,168/316,350,651.68 - Step 6: Final answer
x = 215,770,450.04
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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.