Finding the Fourth Proportional to 239,747,549.40, 330,627,070.26 and 159,136,974.60
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Solution
The fourth proportional to 239,747,549.40, 330,627,070.26 and 159,136,974.60 is: 219,459,977.02
Step by Step Solution
- Step 1: Write the proportion equation
239,747,549.40 : 330,627,070.26 = 159,136,974.60 : x - Step 2: Convert to fraction form
239,747,549.40/330,627,070.26 = 159,136,974.60/x - Step 3: Cross multiply
239,747,549.40x = 330,627,070.26 × 159,136,974.60 - Step 4: Simplify right side
239,747,549.40x = 52,614,991,682,038,032 - Step 5: Solve for x
x = 52,614,991,682,038,032/239,747,549.40 - Step 6: Final answer
x = 219,459,977.02
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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.