Finding the Fourth Proportional to 134,115,921,191.88, 201,173,881,904.46 and 54,508,819,794.12
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Solution
The fourth proportional to 134,115,921,191.88, 201,173,881,904.46 and 54,508,819,794.12 is: 81,763,229,738.59
Step by Step Solution
- Step 1: Write the proportion equation
134,115,921,191.88 : 201,173,881,904.46 = 54,508,819,794.12 : x - Step 2: Convert to fraction form
134,115,921,191.88/201,173,881,904.46 = 54,508,819,794.12/x - Step 3: Cross multiply
134,115,921,191.88x = 201,173,881,904.46 × 54,508,819,794.12 - Step 4: Simplify right side
134,115,921,191.88x = 10,965,750,876,013,787,611,136 - Step 5: Solve for x
x = 10,965,750,876,013,787,611,136/134,115,921,191.88 - Step 6: Final answer
x = 81,763,229,738.59
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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.