Finding the Fourth Proportional to 130,324,387.60, 195,596,806.20 and 53,702,405.20
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Solution
The fourth proportional to 130,324,387.60, 195,596,806.20 and 53,702,405.20 is: 80,599,027.82
Step by Step Solution
- Step 1: Write the proportion equation
130,324,387.60 : 195,596,806.20 = 53,702,405.20 : x - Step 2: Convert to fraction form
130,324,387.60/195,596,806.20 = 53,702,405.20/x - Step 3: Cross multiply
130,324,387.60x = 195,596,806.20 × 53,702,405.20 - Step 4: Simplify right side
130,324,387.60x = 10,504,018,942,378,272 - Step 5: Solve for x
x = 10,504,018,942,378,272/130,324,387.60 - Step 6: Final answer
x = 80,599,027.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.