Finding the Fourth Proportional to 107,106,647.70, 147,810,291.60 and 60,695,358.42
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Solution
The fourth proportional to 107,106,647.70, 147,810,291.60 and 60,695,358.42 is: 83,761,361.40
Step by Step Solution
- Step 1: Write the proportion equation
107,106,647.70 : 147,810,291.60 = 60,695,358.42 : x - Step 2: Convert to fraction form
107,106,647.70/147,810,291.60 = 60,695,358.42/x - Step 3: Cross multiply
107,106,647.70x = 147,810,291.60 × 60,695,358.42 - Step 4: Simplify right side
107,106,647.70x = 8,971,398,626,826,715 - Step 5: Solve for x
x = 8,971,398,626,826,715/107,106,647.70 - Step 6: Final answer
x = 83,761,361.40
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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.