Finding the Fourth Proportional to 134,516,711.80, 201,775,067.70 and 66,492,263.80
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Solution
The fourth proportional to 134,516,711.80, 201,775,067.70 and 66,492,263.80 is: 99,738,395.70
Step by Step Solution
- Step 1: Write the proportion equation
134,516,711.80 : 201,775,067.70 = 66,492,263.80 : x - Step 2: Convert to fraction form
134,516,711.80/201,775,067.70 = 66,492,263.80/x - Step 3: Cross multiply
134,516,711.80x = 201,775,067.70 × 66,492,263.80 - Step 4: Simplify right side
134,516,711.80x = 13,416,481,029,771,258 - Step 5: Solve for x
x = 13,416,481,029,771,258/134,516,711.80 - Step 6: Final answer
x = 99,738,395.70
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1.5x scale
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.