Finding the Fourth Proportional to 87,579,895.68, 120,858,125.76 and 48,420,663.84
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Solution
The fourth proportional to 87,579,895.68, 120,858,125.76 and 48,420,663.84 is: 66,819,338.32
Step by Step Solution
- Step 1: Write the proportion equation
87,579,895.68 : 120,858,125.76 = 48,420,663.84 : x - Step 2: Convert to fraction form
87,579,895.68/120,858,125.76 = 48,420,663.84/x - Step 3: Cross multiply
87,579,895.68x = 120,858,125.76 × 48,420,663.84 - Step 4: Simplify right side
87,579,895.68x = 5,852,030,679,757,405 - Step 5: Solve for x
x = 5,852,030,679,757,405/87,579,895.68 - Step 6: Final answer
x = 66,819,338.32
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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.