Finding the Fourth Proportional to 177,411,728.40, 266,117,592.60 and 119,968,861.20
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Solution
The fourth proportional to 177,411,728.40, 266,117,592.60 and 119,968,861.20 is: 179,953,291.80
Step by Step Solution
- Step 1: Write the proportion equation
177,411,728.40 : 266,117,592.60 = 119,968,861.20 : x - Step 2: Convert to fraction form
177,411,728.40/266,117,592.60 = 119,968,861.20/x - Step 3: Cross multiply
177,411,728.40x = 266,117,592.60 × 119,968,861.20 - Step 4: Simplify right side
177,411,728.40x = 31,925,824,529,507,548 - Step 5: Solve for x
x = 31,925,824,529,507,548/177,411,728.40 - Step 6: Final answer
x = 179,953,291.80
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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.