Finding the Fourth Proportional to 112,473,787,359.36, 155,203,567,583.04 and 66,740,181,844.80
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Solution
The fourth proportional to 112,473,787,359.36, 155,203,567,583.04 and 66,740,181,844.80 is: 92,095,363,432.18
Step by Step Solution
- Step 1: Write the proportion equation
112,473,787,359.36 : 155,203,567,583.04 = 66,740,181,844.80 : x - Step 2: Convert to fraction form
112,473,787,359.36/155,203,567,583.04 = 66,740,181,844.80/x - Step 3: Cross multiply
112,473,787,359.36x = 155,203,567,583.04 × 66,740,181,844.80 - Step 4: Simplify right side
112,473,787,359.36x = 10,358,314,323,453,797,203,968 - Step 5: Solve for x
x = 10,358,314,323,453,797,203,968/112,473,787,359.36 - Step 6: Final answer
x = 92,095,363,432.18
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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.