Finding the Fourth Proportional to 141,937,900.64, 195,876,853.92 and 83,242,899.68
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Solution
The fourth proportional to 141,937,900.64, 195,876,853.92 and 83,242,899.68 is: 114,876,697.68
Step by Step Solution
- Step 1: Write the proportion equation
141,937,900.64 : 195,876,853.92 = 83,242,899.68 : x - Step 2: Convert to fraction form
141,937,900.64/195,876,853.92 = 83,242,899.68/x - Step 3: Cross multiply
141,937,900.64x = 195,876,853.92 × 83,242,899.68 - Step 4: Simplify right side
141,937,900.64x = 16,305,357,300,496,576 - Step 5: Solve for x
x = 16,305,357,300,496,576/141,937,900.64 - Step 6: Final answer
x = 114,876,697.68
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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.