Finding the Fourth Proportional to 125,807,718,125.97, 188,738,080,629.11 and 40,810,875,836.20
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Solution
The fourth proportional to 125,807,718,125.97, 188,738,080,629.11 and 40,810,875,836.20 is: 61,224,911,228.45
Step by Step Solution
- Step 1: Write the proportion equation
125,807,718,125.97 : 188,738,080,629.11 = 40,810,875,836.20 : x - Step 2: Convert to fraction form
125,807,718,125.97/188,738,080,629.11 = 40,810,875,836.20/x - Step 3: Cross multiply
125,807,718,125.97x = 188,738,080,629.11 × 40,810,875,836.20 - Step 4: Simplify right side
125,807,718,125.97x = 7,702,566,374,116,934,287,360 - Step 5: Solve for x
x = 7,702,566,374,116,934,287,360/125,807,718,125.97 - Step 6: Final answer
x = 61,224,911,228.45
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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.