Finding the Fourth Proportional to 134,468,312.20, 201,702,468.30 and 133,460,542.60
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Solution
The fourth proportional to 134,468,312.20, 201,702,468.30 and 133,460,542.60 is: 200,190,813.90
Step by Step Solution
- Step 1: Write the proportion equation
134,468,312.20 : 201,702,468.30 = 133,460,542.60 : x - Step 2: Convert to fraction form
134,468,312.20/201,702,468.30 = 133,460,542.60/x - Step 3: Cross multiply
134,468,312.20x = 201,702,468.30 × 133,460,542.60 - Step 4: Simplify right side
134,468,312.20x = 26,919,320,863,077,300 - Step 5: Solve for x
x = 26,919,320,863,077,300/134,468,312.20 - Step 6: Final answer
x = 200,190,813.90
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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.