Finding the Fourth Proportional to 117,475,674, 162,106,940.70 and 67,919,242.14
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Solution
The fourth proportional to 117,475,674, 162,106,940.70 and 67,919,242.14 is: 93,723,067.79
Step by Step Solution
- Step 1: Write the proportion equation
117,475,674 : 162,106,940.70 = 67,919,242.14 : x - Step 2: Convert to fraction form
117,475,674/162,106,940.70 = 67,919,242.14/x - Step 3: Cross multiply
117,475,674x = 162,106,940.70 × 67,919,242.14 - Step 4: Simplify right side
117,475,674x = 11,010,180,557,977,920 - Step 5: Solve for x
x = 11,010,180,557,977,920/117,475,674 - Step 6: Final answer
x = 93,723,067.79
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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.