Finding the Fourth Proportional to 168,772,241.40, 252,486,515.70 and 146,302,711.80
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Solution
The fourth proportional to 168,772,241.40, 252,486,515.70 and 146,302,711.80 is: 218,871,667.72
Step by Step Solution
- Step 1: Write the proportion equation
168,772,241.40 : 252,486,515.70 = 146,302,711.80 : x - Step 2: Convert to fraction form
168,772,241.40/252,486,515.70 = 146,302,711.80/x - Step 3: Cross multiply
168,772,241.40x = 252,486,515.70 × 146,302,711.80 - Step 4: Simplify right side
168,772,241.40x = 36,939,461,939,843,280 - Step 5: Solve for x
x = 36,939,461,939,843,280/168,772,241.40 - Step 6: Final answer
x = 218,871,667.72
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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.