Finding the Fourth Proportional to 220,218,724.65, 303,827,455.53 and 124,839,000.99
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Solution
The fourth proportional to 220,218,724.65, 303,827,455.53 and 124,839,000.99 is: 172,235,653.81
Step by Step Solution
- Step 1: Write the proportion equation
220,218,724.65 : 303,827,455.53 = 124,839,000.99 : x - Step 2: Convert to fraction form
220,218,724.65/303,827,455.53 = 124,839,000.99/x - Step 3: Cross multiply
220,218,724.65x = 303,827,455.53 × 124,839,000.99 - Step 4: Simplify right side
220,218,724.65x = 37,929,516,021,698,848 - Step 5: Solve for x
x = 37,929,516,021,698,848/220,218,724.65 - Step 6: Final answer
x = 172,235,653.81
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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.