Finding the Fourth Proportional to 89,713,074.60, 134,569,611.90 and 48,898,405.80
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Solution
The fourth proportional to 89,713,074.60, 134,569,611.90 and 48,898,405.80 is: 73,347,608.70
Step by Step Solution
- Step 1: Write the proportion equation
89,713,074.60 : 134,569,611.90 = 48,898,405.80 : x - Step 2: Convert to fraction form
89,713,074.60/134,569,611.90 = 48,898,405.80/x - Step 3: Cross multiply
89,713,074.60x = 134,569,611.90 × 48,898,405.80 - Step 4: Simplify right side
89,713,074.60x = 6,580,239,491,034,709 - Step 5: Solve for x
x = 6,580,239,491,034,709/89,713,074.60 - Step 6: Final answer
x = 73,347,608.70
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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.