Finding the Fourth Proportional to 268,151,252.70, 402,226,879.05 and 145,707,246.30
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Solution
The fourth proportional to 268,151,252.70, 402,226,879.05 and 145,707,246.30 is: 218,560,869.45
Step by Step Solution
- Step 1: Write the proportion equation
268,151,252.70 : 402,226,879.05 = 145,707,246.30 : x - Step 2: Convert to fraction form
268,151,252.70/402,226,879.05 = 145,707,246.30/x - Step 3: Cross multiply
268,151,252.70x = 402,226,879.05 × 145,707,246.30 - Step 4: Simplify right side
268,151,252.70x = 58,607,370,934,218,664 - Step 5: Solve for x
x = 58,607,370,934,218,664/268,151,252.70 - Step 6: Final answer
x = 218,560,869.45
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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.