Finding the Fourth Proportional to 171,647,308.14, 236,871,639.96 and 93,330,889.18
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Solution
The fourth proportional to 171,647,308.14, 236,871,639.96 and 93,330,889.18 is: 128,795,732.47
Step by Step Solution
- Step 1: Write the proportion equation
171,647,308.14 : 236,871,639.96 = 93,330,889.18 : x - Step 2: Convert to fraction form
171,647,308.14/236,871,639.96 = 93,330,889.18/x - Step 3: Cross multiply
171,647,308.14x = 236,871,639.96 × 93,330,889.18 - Step 4: Simplify right side
171,647,308.14x = 22,107,440,778,991,624 - Step 5: Solve for x
x = 22,107,440,778,991,624/171,647,308.14 - Step 6: Final answer
x = 128,795,732.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.