Finding the Fourth Proportional to 203,893,497.60, 305,840,246.40 and 60,286,329.60
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Solution
The fourth proportional to 203,893,497.60, 305,840,246.40 and 60,286,329.60 is: 90,429,494.40
Step by Step Solution
- Step 1: Write the proportion equation
203,893,497.60 : 305,840,246.40 = 60,286,329.60 : x - Step 2: Convert to fraction form
203,893,497.60/305,840,246.40 = 60,286,329.60/x - Step 3: Cross multiply
203,893,497.60x = 305,840,246.40 × 60,286,329.60 - Step 4: Simplify right side
203,893,497.60x = 18,437,985,899,415,612 - Step 5: Solve for x
x = 18,437,985,899,415,612/203,893,497.60 - Step 6: Final answer
x = 90,429,494.40
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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.