Finding the Fourth Proportional to 166,086,136.90, 249,129,205.35 and 157,772,037.70
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Solution
The fourth proportional to 166,086,136.90, 249,129,205.35 and 157,772,037.70 is: 236,658,056.55
Step by Step Solution
- Step 1: Write the proportion equation
166,086,136.90 : 249,129,205.35 = 157,772,037.70 : x - Step 2: Convert to fraction form
166,086,136.90/249,129,205.35 = 157,772,037.70/x - Step 3: Cross multiply
166,086,136.90x = 249,129,205.35 × 157,772,037.70 - Step 4: Simplify right side
166,086,136.90x = 39,305,622,378,651,240 - Step 5: Solve for x
x = 39,305,622,378,651,240/166,086,136.90 - Step 6: Final answer
x = 236,658,056.55
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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.