Finding the Fourth Proportional to 190,863,618.18, 263,395,275.57 and 106,098,696.66
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Solution
The fourth proportional to 190,863,618.18, 263,395,275.57 and 106,098,696.66 is: 146,418,137.26
Step by Step Solution
- Step 1: Write the proportion equation
190,863,618.18 : 263,395,275.57 = 106,098,696.66 : x - Step 2: Convert to fraction form
190,863,618.18/263,395,275.57 = 106,098,696.66/x - Step 3: Cross multiply
190,863,618.18x = 263,395,275.57 × 106,098,696.66 - Step 4: Simplify right side
190,863,618.18x = 27,945,895,444,378,536 - Step 5: Solve for x
x = 27,945,895,444,378,536/190,863,618.18 - Step 6: Final answer
x = 146,418,137.26
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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.