Finding the Fourth Proportional to 112,473,787,360.36, 155,203,567,584.42 and 66,740,181,845.80
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Solution
The fourth proportional to 112,473,787,360.36, 155,203,567,584.42 and 66,740,181,845.80 is: 92,095,363,433.56
Step by Step Solution
- Step 1: Write the proportion equation
112,473,787,360.36 : 155,203,567,584.42 = 66,740,181,845.80 : x - Step 2: Convert to fraction form
112,473,787,360.36/155,203,567,584.42 = 66,740,181,845.80/x - Step 3: Cross multiply
112,473,787,360.36x = 155,203,567,584.42 × 66,740,181,845.80 - Step 4: Simplify right side
112,473,787,360.36x = 10,358,314,323,701,101,756,416 - Step 5: Solve for x
x = 10,358,314,323,701,101,756,416/112,473,787,360.36 - Step 6: Final answer
x = 92,095,363,433.56
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.