Finding the Fourth Proportional to 134,466,625.95, 201,546,937.14 and 81,828,201.19
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Solution
The fourth proportional to 134,466,625.95, 201,546,937.14 and 81,828,201.19 is: 122,649,194.21
Step by Step Solution
- Step 1: Write the proportion equation
134,466,625.95 : 201,546,937.14 = 81,828,201.19 : x - Step 2: Convert to fraction form
134,466,625.95/201,546,937.14 = 81,828,201.19/x - Step 3: Cross multiply
134,466,625.95x = 201,546,937.14 × 81,828,201.19 - Step 4: Simplify right side
134,466,625.95x = 16,492,223,321,520,202 - Step 5: Solve for x
x = 16,492,223,321,520,202/134,466,625.95 - Step 6: Final answer
x = 122,649,194.21
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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.