Finding the Fourth Proportional to 63,941,165.64, 88,218,663.84 and 39,135,492.68
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Solution
The fourth proportional to 63,941,165.64, 88,218,663.84 and 39,135,492.68 is: 53,994,650.21
Step by Step Solution
- Step 1: Write the proportion equation
63,941,165.64 : 88,218,663.84 = 39,135,492.68 : x - Step 2: Convert to fraction form
63,941,165.64/88,218,663.84 = 39,135,492.68/x - Step 3: Cross multiply
63,941,165.64x = 88,218,663.84 × 39,135,492.68 - Step 4: Simplify right side
63,941,165.64x = 3,452,480,872,508,607 - Step 5: Solve for x
x = 3,452,480,872,508,607/63,941,165.64 - Step 6: Final answer
x = 53,994,650.21
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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.