Finding the Fourth Proportional to 201,011,452.20, 301,517,178.30 and 180,604,117.80
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Solution
The fourth proportional to 201,011,452.20, 301,517,178.30 and 180,604,117.80 is: 270,906,176.70
Step by Step Solution
- Step 1: Write the proportion equation
201,011,452.20 : 301,517,178.30 = 180,604,117.80 : x - Step 2: Convert to fraction form
201,011,452.20/301,517,178.30 = 180,604,117.80/x - Step 3: Cross multiply
201,011,452.20x = 301,517,178.30 × 180,604,117.80 - Step 4: Simplify right side
201,011,452.20x = 54,455,243,988,416,808 - Step 5: Solve for x
x = 54,455,243,988,416,808/201,011,452.20 - Step 6: Final answer
x = 270,906,176.70
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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.