Finding the Fourth Proportional to 310,453,491.84, 465,680,238.17 and 126,177,794.03
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Solution
The fourth proportional to 310,453,491.84, 465,680,238.17 and 126,177,794.03 is: 189,266,691.20
Step by Step Solution
- Step 1: Write the proportion equation
310,453,491.84 : 465,680,238.17 = 126,177,794.03 : x - Step 2: Convert to fraction form
310,453,491.84/465,680,238.17 = 126,177,794.03/x - Step 3: Cross multiply
310,453,491.84x = 465,680,238.17 × 126,177,794.03 - Step 4: Simplify right side
310,453,491.84x = 58,758,505,172,696,320 - Step 5: Solve for x
x = 58,758,505,172,696,320/310,453,491.84 - Step 6: Final answer
x = 189,266,691.20
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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.