Finding the Fourth Proportional to 128,063,283.20, 192,100,239.36 and 37,186,871.68
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Solution
The fourth proportional to 128,063,283.20, 192,100,239.36 and 37,186,871.68 is: 55,781,850.76
Step by Step Solution
- Step 1: Write the proportion equation
128,063,283.20 : 192,100,239.36 = 37,186,871.68 : x - Step 2: Convert to fraction form
128,063,283.20/192,100,239.36 = 37,186,871.68/x - Step 3: Cross multiply
128,063,283.20x = 192,100,239.36 × 37,186,871.68 - Step 4: Simplify right side
128,063,283.20x = 7,143,606,950,777,606 - Step 5: Solve for x
x = 7,143,606,950,777,606/128,063,283.20 - Step 6: Final answer
x = 55,781,850.76
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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.