Finding the Fourth Proportional to 166,485,846.60, 249,728,769.90 and 159,683,401.80
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Solution
The fourth proportional to 166,485,846.60, 249,728,769.90 and 159,683,401.80 is: 239,525,102.70
Step by Step Solution
- Step 1: Write the proportion equation
166,485,846.60 : 249,728,769.90 = 159,683,401.80 : x - Step 2: Convert to fraction form
166,485,846.60/249,728,769.90 = 159,683,401.80/x - Step 3: Cross multiply
166,485,846.60x = 249,728,769.90 × 159,683,401.80 - Step 4: Simplify right side
166,485,846.60x = 39,877,539,504,961,448 - Step 5: Solve for x
x = 39,877,539,504,961,448/166,485,846.60 - Step 6: Final answer
x = 239,525,102.70
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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.