Finding the Fourth Proportional to 79,760,562.48, 119,640,844.68 and 19,176,288.72
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Solution
The fourth proportional to 79,760,562.48, 119,640,844.68 and 19,176,288.72 is: 28,764,433.31
Step by Step Solution
- Step 1: Write the proportion equation
79,760,562.48 : 119,640,844.68 = 19,176,288.72 : x - Step 2: Convert to fraction form
79,760,562.48/119,640,844.68 = 19,176,288.72/x - Step 3: Cross multiply
79,760,562.48x = 119,640,844.68 × 19,176,288.72 - Step 4: Simplify right side
79,760,562.48x = 2,294,267,380,288,356 - Step 5: Solve for x
x = 2,294,267,380,288,356/79,760,562.48 - Step 6: Final answer
x = 28,764,433.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.