Finding the Fourth Proportional to 133,074,194.20, 199,611,291.30 and 75,544,235.80
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Solution
The fourth proportional to 133,074,194.20, 199,611,291.30 and 75,544,235.80 is: 113,316,353.70
Step by Step Solution
- Step 1: Write the proportion equation
133,074,194.20 : 199,611,291.30 = 75,544,235.80 : x - Step 2: Convert to fraction form
133,074,194.20/199,611,291.30 = 75,544,235.80/x - Step 3: Cross multiply
133,074,194.20x = 199,611,291.30 × 75,544,235.80 - Step 4: Simplify right side
133,074,194.20x = 15,079,482,458,309,688 - Step 5: Solve for x
x = 15,079,482,458,309,688/133,074,194.20 - Step 6: Final answer
x = 113,316,353.70
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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.