Finding the Fourth Proportional to 118,104,090.80, 177,156,136.20 and 107,333,553.20
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Solution
The fourth proportional to 118,104,090.80, 177,156,136.20 and 107,333,553.20 is: 161,000,329.80
Step by Step Solution
- Step 1: Write the proportion equation
118,104,090.80 : 177,156,136.20 = 107,333,553.20 : x - Step 2: Convert to fraction form
118,104,090.80/177,156,136.20 = 107,333,553.20/x - Step 3: Cross multiply
118,104,090.80x = 177,156,136.20 × 107,333,553.20 - Step 4: Simplify right side
118,104,090.80x = 19,014,797,569,529,144 - Step 5: Solve for x
x = 19,014,797,569,529,144/118,104,090.80 - Step 6: Final answer
x = 161,000,329.80
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1.5x scale
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.