Finding the Fourth Proportional to 115,848,216.65, 159,825,482.61 and 65,600,900.66
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Solution
The fourth proportional to 115,848,216.65, 159,825,482.61 and 65,600,900.66 is: 90,503,729.03
Step by Step Solution
- Step 1: Write the proportion equation
115,848,216.65 : 159,825,482.61 = 65,600,900.66 : x - Step 2: Convert to fraction form
115,848,216.65/159,825,482.61 = 65,600,900.66/x - Step 3: Cross multiply
115,848,216.65x = 159,825,482.61 × 65,600,900.66 - Step 4: Simplify right side
115,848,216.65x = 10,484,695,607,788,728 - Step 5: Solve for x
x = 10,484,695,607,788,728/115,848,216.65 - Step 6: Final answer
x = 90,503,729.03
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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.