Finding the Fourth Proportional to 363,476,319.60, 545,363,778.60 and 133,555,551.60
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Solution
The fourth proportional to 363,476,319.60, 545,363,778.60 and 133,555,551.60 is: 200,388,185.82
Step by Step Solution
- Step 1: Write the proportion equation
363,476,319.60 : 545,363,778.60 = 133,555,551.60 : x - Step 2: Convert to fraction form
363,476,319.60/545,363,778.60 = 133,555,551.60/x - Step 3: Cross multiply
363,476,319.60x = 545,363,778.60 × 133,555,551.60 - Step 4: Simplify right side
363,476,319.60x = 72,836,360,273,583,280 - Step 5: Solve for x
x = 72,836,360,273,583,280/363,476,319.60 - Step 6: Final answer
x = 200,388,185.82
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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.