Finding the Fourth Proportional to 86,305,575.87, 129,509,439.47 and 31,756,468.35
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Solution
The fourth proportional to 86,305,575.87, 129,509,439.47 and 31,756,468.35 is: 47,653,496.01
Step by Step Solution
- Step 1: Write the proportion equation
86,305,575.87 : 129,509,439.47 = 31,756,468.35 : x - Step 2: Convert to fraction form
86,305,575.87/129,509,439.47 = 31,756,468.35/x - Step 3: Cross multiply
86,305,575.87x = 129,509,439.47 × 31,756,468.35 - Step 4: Simplify right side
86,305,575.87x = 4,112,762,415,555,296 - Step 5: Solve for x
x = 4,112,762,415,555,296/86,305,575.87 - Step 6: Final answer
x = 47,653,496.01
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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.