Finding the Fourth Proportional to 56,599,808.68, 78,107,266.45 and 31,820,105.99
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Solution
The fourth proportional to 56,599,808.68, 78,107,266.45 and 31,820,105.99 is: 43,911,482.29
Step by Step Solution
- Step 1: Write the proportion equation
56,599,808.68 : 78,107,266.45 = 31,820,105.99 : x - Step 2: Convert to fraction form
56,599,808.68/78,107,266.45 = 31,820,105.99/x - Step 3: Cross multiply
56,599,808.68x = 78,107,266.45 × 31,820,105.99 - Step 4: Simplify right side
56,599,808.68x = 2,485,381,496,478,534 - Step 5: Solve for x
x = 2,485,381,496,478,534/56,599,808.68 - Step 6: Final answer
x = 43,911,482.29
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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.