Finding the Fourth Proportional to 86,916,571.20, 130,392,352.80 and 25,505,611.20
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Solution
The fourth proportional to 86,916,571.20, 130,392,352.80 and 25,505,611.20 is: 38,263,550.99
Step by Step Solution
- Step 1: Write the proportion equation
86,916,571.20 : 130,392,352.80 = 25,505,611.20 : x - Step 2: Convert to fraction form
86,916,571.20/130,392,352.80 = 25,505,611.20/x - Step 3: Cross multiply
86,916,571.20x = 130,392,352.80 × 25,505,611.20 - Step 4: Simplify right side
86,916,571.20x = 3,325,736,653,970,031 - Step 5: Solve for x
x = 3,325,736,653,970,031/86,916,571.20 - Step 6: Final answer
x = 38,263,550.99
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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.