Finding the Fourth Proportional to 159,498,618.17, 220,149,046.35 and 103,882,628.62
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Solution
The fourth proportional to 159,498,618.17, 220,149,046.35 and 103,882,628.62 is: 143,384,700.66
Step by Step Solution
- Step 1: Write the proportion equation
159,498,618.17 : 220,149,046.35 = 103,882,628.62 : x - Step 2: Convert to fraction form
159,498,618.17/220,149,046.35 = 103,882,628.62/x - Step 3: Cross multiply
159,498,618.17x = 220,149,046.35 × 103,882,628.62 - Step 4: Simplify right side
159,498,618.17x = 22,869,661,621,404,056 - Step 5: Solve for x
x = 22,869,661,621,404,056/159,498,618.17 - Step 6: Final answer
x = 143,384,700.66
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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.