Finding the Fourth Proportional to 112,435,847.48, 155,158,555.16 and 62,201,921.96
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Solution
The fourth proportional to 112,435,847.48, 155,158,555.16 and 62,201,921.96 is: 85,837,040.02
Step by Step Solution
- Step 1: Write the proportion equation
112,435,847.48 : 155,158,555.16 = 62,201,921.96 : x - Step 2: Convert to fraction form
112,435,847.48/155,158,555.16 = 62,201,921.96/x - Step 3: Cross multiply
112,435,847.48x = 155,158,555.16 × 62,201,921.96 - Step 4: Simplify right side
112,435,847.48x = 9,651,160,339,488,676 - Step 5: Solve for x
x = 9,651,160,339,488,676/112,435,847.48 - Step 6: Final answer
x = 85,837,040.02
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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.