Finding the Fourth Proportional to 168,496,681.20, 252,745,021.80 and 149,364,805.20
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Solution
The fourth proportional to 168,496,681.20, 252,745,021.80 and 149,364,805.20 is: 224,047,207.80
Step by Step Solution
- Step 1: Write the proportion equation
168,496,681.20 : 252,745,021.80 = 149,364,805.20 : x - Step 2: Convert to fraction form
168,496,681.20/252,745,021.80 = 149,364,805.20/x - Step 3: Cross multiply
168,496,681.20x = 252,745,021.80 × 149,364,805.20 - Step 4: Simplify right side
168,496,681.20x = 37,751,210,946,426,752 - Step 5: Solve for x
x = 37,751,210,946,426,752/168,496,681.20 - Step 6: Final answer
x = 224,047,207.80
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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.