Finding the Fourth Proportional to 193,639,958.53, 290,516,925.31 and 62,479,773.50
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Solution
The fourth proportional to 193,639,958.53, 290,516,925.31 and 62,479,773.50 is: 93,738,047.81
Step by Step Solution
- Step 1: Write the proportion equation
193,639,958.53 : 290,516,925.31 = 62,479,773.50 : x - Step 2: Convert to fraction form
193,639,958.53/290,516,925.31 = 62,479,773.50/x - Step 3: Cross multiply
193,639,958.53x = 290,516,925.31 × 62,479,773.50 - Step 4: Simplify right side
193,639,958.53x = 18,151,431,689,676,432 - Step 5: Solve for x
x = 18,151,431,689,676,432/193,639,958.53 - Step 6: Final answer
x = 93,738,047.81
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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.