Finding the Fourth Proportional to 134,466,618.20, 201,546,925.52 and 81,828,193.44
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Solution
The fourth proportional to 134,466,618.20, 201,546,925.52 and 81,828,193.44 is: 122,649,182.60
Step by Step Solution
- Step 1: Write the proportion equation
134,466,618.20 : 201,546,925.52 = 81,828,193.44 : x - Step 2: Convert to fraction form
134,466,618.20/201,546,925.52 = 81,828,193.44/x - Step 3: Cross multiply
134,466,618.20x = 201,546,925.52 × 81,828,193.44 - Step 4: Simplify right side
134,466,618.20x = 16,492,220,808,278,690 - Step 5: Solve for x
x = 16,492,220,808,278,690/134,466,618.20 - Step 6: Final answer
x = 122,649,182.60
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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.