Finding the Fourth Proportional to 71,394,133.46, 107,091,235.62 and 47,127,388.82
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Solution
The fourth proportional to 71,394,133.46, 107,091,235.62 and 47,127,388.82 is: 70,691,106.61
Step by Step Solution
- Step 1: Write the proportion equation
71,394,133.46 : 107,091,235.62 = 47,127,388.82 : x - Step 2: Convert to fraction form
71,394,133.46/107,091,235.62 = 47,127,388.82/x - Step 3: Cross multiply
71,394,133.46x = 107,091,235.62 × 47,127,388.82 - Step 4: Simplify right side
71,394,133.46x = 5,046,930,299,742,518 - Step 5: Solve for x
x = 5,046,930,299,742,518/71,394,133.46 - Step 6: Final answer
x = 70,691,106.61
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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.