Finding the Fourth Proportional to 177,863,669.26, 245,459,534.68 and 98,478,730.06
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Solution
The fourth proportional to 177,863,669.26, 245,459,534.68 and 98,478,730.06 is: 135,904,894.78
Step by Step Solution
- Step 1: Write the proportion equation
177,863,669.26 : 245,459,534.68 = 98,478,730.06 : x - Step 2: Convert to fraction form
177,863,669.26/245,459,534.68 = 98,478,730.06/x - Step 3: Cross multiply
177,863,669.26x = 245,459,534.68 × 98,478,730.06 - Step 4: Simplify right side
177,863,669.26x = 24,172,543,256,404,928 - Step 5: Solve for x
x = 24,172,543,256,404,928/177,863,669.26 - Step 6: Final answer
x = 135,904,894.78
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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.