Finding the Fourth Proportional to 106,424,400.11, 146,837,878.12 and 62,347,704.62
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Solution
The fourth proportional to 106,424,400.11, 146,837,878.12 and 62,347,704.62 is: 86,023,549.51
Step by Step Solution
- Step 1: Write the proportion equation
106,424,400.11 : 146,837,878.12 = 62,347,704.62 : x - Step 2: Convert to fraction form
106,424,400.11/146,837,878.12 = 62,347,704.62/x - Step 3: Cross multiply
106,424,400.11x = 146,837,878.12 × 62,347,704.62 - Step 4: Simplify right side
106,424,400.11x = 9,155,004,651,947,708 - Step 5: Solve for x
x = 9,155,004,651,947,708/106,424,400.11 - Step 6: Final answer
x = 86,023,549.51
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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.