Finding the Fourth Proportional to 208,829,050.20, 313,243,575.30 and 177,924,115.80
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Solution
The fourth proportional to 208,829,050.20, 313,243,575.30 and 177,924,115.80 is: 266,886,173.70
Step by Step Solution
- Step 1: Write the proportion equation
208,829,050.20 : 313,243,575.30 = 177,924,115.80 : x - Step 2: Convert to fraction form
208,829,050.20/313,243,575.30 = 177,924,115.80/x - Step 3: Cross multiply
208,829,050.20x = 313,243,575.30 × 177,924,115.80 - Step 4: Simplify right side
208,829,050.20x = 55,733,586,165,283,224 - Step 5: Solve for x
x = 55,733,586,165,283,224/208,829,050.20 - Step 6: Final answer
x = 266,886,173.70
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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.