Finding the Fourth Proportional to 188,943,055,643.01, 283,616,269,417.97 and 81,430,384,722.68
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Solution
The fourth proportional to 188,943,055,643.01, 283,616,269,417.97 and 81,430,384,722.68 is: 122,232,499,383.05
Step by Step Solution
- Step 1: Write the proportion equation
188,943,055,643.01 : 283,616,269,417.97 = 81,430,384,722.68 : x - Step 2: Convert to fraction form
188,943,055,643.01/283,616,269,417.97 = 81,430,384,722.68/x - Step 3: Cross multiply
188,943,055,643.01x = 283,616,269,417.97 × 81,430,384,722.68 - Step 4: Simplify right side
188,943,055,643.01x = 23,094,981,932,315,140,161,536 - Step 5: Solve for x
x = 23,094,981,932,315,140,161,536/188,943,055,643.01 - Step 6: Final answer
x = 122,232,499,383.05
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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.