Finding the Fourth Proportional to 268,151,032.20, 402,226,548.30 and 145,707,025.80
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Solution
The fourth proportional to 268,151,032.20, 402,226,548.30 and 145,707,025.80 is: 218,560,538.70
Step by Step Solution
- Step 1: Write the proportion equation
268,151,032.20 : 402,226,548.30 = 145,707,025.80 : x - Step 2: Convert to fraction form
268,151,032.20/402,226,548.30 = 145,707,025.80/x - Step 3: Cross multiply
268,151,032.20x = 402,226,548.30 × 145,707,025.80 - Step 4: Simplify right side
268,151,032.20x = 58,607,234,050,593,056 - Step 5: Solve for x
x = 58,607,234,050,593,056/268,151,032.20 - Step 6: Final answer
x = 218,560,538.70
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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.