Finding the Fourth Proportional to 177,863,668.76, 245,459,533.99 and 98,478,729.56
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Solution
The fourth proportional to 177,863,668.76, 245,459,533.99 and 98,478,729.56 is: 135,904,894.09
Step by Step Solution
- Step 1: Write the proportion equation
177,863,668.76 : 245,459,533.99 = 98,478,729.56 : x - Step 2: Convert to fraction form
177,863,668.76/245,459,533.99 = 98,478,729.56/x - Step 3: Cross multiply
177,863,668.76x = 245,459,533.99 × 98,478,729.56 - Step 4: Simplify right side
177,863,668.76x = 24,172,543,065,724,840 - Step 5: Solve for x
x = 24,172,543,065,724,840/177,863,668.76 - Step 6: Final answer
x = 135,904,894.09
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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.