Finding the Fourth Proportional to 261,832,273.43, 392,844,177.62 and 121,839,497.16
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Solution
The fourth proportional to 261,832,273.43, 392,844,177.62 and 121,839,497.16 is: 182,803,809.62
Step by Step Solution
- Step 1: Write the proportion equation
261,832,273.43 : 392,844,177.62 = 121,839,497.16 : x - Step 2: Convert to fraction form
261,832,273.43/392,844,177.62 = 121,839,497.16/x - Step 3: Cross multiply
261,832,273.43x = 392,844,177.62 × 121,839,497.16 - Step 4: Simplify right side
261,832,273.43x = 47,863,937,063,454,528 - Step 5: Solve for x
x = 47,863,937,063,454,528/261,832,273.43 - Step 6: Final answer
x = 182,803,809.62
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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.