Finding the Fourth Proportional to 135,621,807.75, 203,432,915.75 and 62,798,906.79
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Solution
The fourth proportional to 135,621,807.75, 203,432,915.75 and 62,798,906.79 is: 94,198,454.70
Step by Step Solution
- Step 1: Write the proportion equation
135,621,807.75 : 203,432,915.75 = 62,798,906.79 : x - Step 2: Convert to fraction form
135,621,807.75/203,432,915.75 = 62,798,906.79/x - Step 3: Cross multiply
135,621,807.75x = 203,432,915.75 × 62,798,906.79 - Step 4: Simplify right side
135,621,807.75x = 12,775,364,713,888,178 - Step 5: Solve for x
x = 12,775,364,713,888,178/135,621,807.75 - Step 6: Final answer
x = 94,198,454.70
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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.