Finding the Fourth Proportional to 56,599,809.93, 78,107,268.17 and 31,820,107.24
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Solution
The fourth proportional to 56,599,809.93, 78,107,268.17 and 31,820,107.24 is: 43,911,484.02
Step by Step Solution
- Step 1: Write the proportion equation
56,599,809.93 : 78,107,268.17 = 31,820,107.24 : x - Step 2: Convert to fraction form
56,599,809.93/78,107,268.17 = 31,820,107.24/x - Step 3: Cross multiply
56,599,809.93x = 78,107,268.17 × 31,820,107.24 - Step 4: Simplify right side
56,599,809.93x = 2,485,381,649,002,302 - Step 5: Solve for x
x = 2,485,381,649,002,302/56,599,809.93 - Step 6: Final answer
x = 43,911,484.02
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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.