Finding the Fourth Proportional to 125,247,803.65, 187,679,955.99 and 52,424,935.49
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Solution
The fourth proportional to 125,247,803.65, 187,679,955.99 and 52,424,935.49 is: 78,557,142.72
Step by Step Solution
- Step 1: Write the proportion equation
125,247,803.65 : 187,679,955.99 = 52,424,935.49 : x - Step 2: Convert to fraction form
125,247,803.65/187,679,955.99 = 52,424,935.49/x - Step 3: Cross multiply
125,247,803.65x = 187,679,955.99 × 52,424,935.49 - Step 4: Simplify right side
125,247,803.65x = 9,839,109,586,207,582 - Step 5: Solve for x
x = 9,839,109,586,207,582/125,247,803.65 - Step 6: Final answer
x = 78,557,142.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.