Finding the Fourth Proportional to 63,257,793.43, 87,295,109.54 and 35,380,437.09
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Solution
The fourth proportional to 63,257,793.43, 87,295,109.54 and 35,380,437.09 is: 48,824,642.20
Step by Step Solution
- Step 1: Write the proportion equation
63,257,793.43 : 87,295,109.54 = 35,380,437.09 : x - Step 2: Convert to fraction form
63,257,793.43/87,295,109.54 = 35,380,437.09/x - Step 3: Cross multiply
63,257,793.43x = 87,295,109.54 × 35,380,437.09 - Step 4: Simplify right side
63,257,793.43x = 3,088,539,130,840,370 - Step 5: Solve for x
x = 3,088,539,130,840,370/63,257,793.43 - Step 6: Final answer
x = 48,824,642.20
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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.