Finding the Fourth Proportional to 153,280,438.50, 229,918,492.18 and 71,353,493.94
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Solution
The fourth proportional to 153,280,438.50, 229,918,492.18 and 71,353,493.94 is: 107,029,232.82
Step by Step Solution
- Step 1: Write the proportion equation
153,280,438.50 : 229,918,492.18 = 71,353,493.94 : x - Step 2: Convert to fraction form
153,280,438.50/229,918,492.18 = 71,353,493.94/x - Step 3: Cross multiply
153,280,438.50x = 229,918,492.18 × 71,353,493.94 - Step 4: Simplify right side
153,280,438.50x = 16,405,487,738,459,568 - Step 5: Solve for x
x = 16,405,487,738,459,568/153,280,438.50 - Step 6: Final answer
x = 107,029,232.82
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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.