Finding the Fourth Proportional to 276,790,520.70, 415,190,701.80 and 82,704,330.90
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Solution
The fourth proportional to 276,790,520.70, 415,190,701.80 and 82,704,330.90 is: 124,057,966.66
Step by Step Solution
- Step 1: Write the proportion equation
276,790,520.70 : 415,190,701.80 = 82,704,330.90 : x - Step 2: Convert to fraction form
276,790,520.70/415,190,701.80 = 82,704,330.90/x - Step 3: Cross multiply
276,790,520.70x = 415,190,701.80 × 82,704,330.90 - Step 4: Simplify right side
276,790,520.70x = 34,338,069,188,270,428 - Step 5: Solve for x
x = 34,338,069,188,270,428/276,790,520.70 - Step 6: Final answer
x = 124,057,966.66
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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.