Finding the Fourth Proportional to 188,242,648.71, 259,781,163.68 and 104,614,304.07
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Solution
The fourth proportional to 188,242,648.71, 259,781,163.68 and 104,614,304.07 is: 144,371,245.49
Step by Step Solution
- Step 1: Write the proportion equation
188,242,648.71 : 259,781,163.68 = 104,614,304.07 : x - Step 2: Convert to fraction form
188,242,648.71/259,781,163.68 = 104,614,304.07/x - Step 3: Cross multiply
188,242,648.71x = 259,781,163.68 × 104,614,304.07 - Step 4: Simplify right side
188,242,648.71x = 27,176,825,648,877,960 - Step 5: Solve for x
x = 27,176,825,648,877,960/188,242,648.71 - Step 6: Final answer
x = 144,371,245.49
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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.