Finding the Fourth Proportional to 245,065,511.80, 367,598,267.70 and 91,691,639.20
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Solution
The fourth proportional to 245,065,511.80, 367,598,267.70 and 91,691,639.20 is: 137,537,458.80
Step by Step Solution
- Step 1: Write the proportion equation
245,065,511.80 : 367,598,267.70 = 91,691,639.20 : x - Step 2: Convert to fraction form
245,065,511.80/367,598,267.70 = 91,691,639.20/x - Step 3: Cross multiply
245,065,511.80x = 367,598,267.70 × 91,691,639.20 - Step 4: Simplify right side
245,065,511.80x = 33,705,687,732,493,412 - Step 5: Solve for x
x = 33,705,687,732,493,412/245,065,511.80 - Step 6: Final answer
x = 137,537,458.80
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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.