Finding the Fourth Proportional to 75,378,382.64, 104,034,508.74 and 62,799,489.44
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Solution
The fourth proportional to 75,378,382.64, 104,034,508.74 and 62,799,489.44 is: 86,673,576.75
Step by Step Solution
- Step 1: Write the proportion equation
75,378,382.64 : 104,034,508.74 = 62,799,489.44 : x - Step 2: Convert to fraction form
75,378,382.64/104,034,508.74 = 62,799,489.44/x - Step 3: Cross multiply
75,378,382.64x = 104,034,508.74 × 62,799,489.44 - Step 4: Simplify right side
75,378,382.64x = 6,533,314,033,013,217 - Step 5: Solve for x
x = 6,533,314,033,013,217/75,378,382.64 - Step 6: Final answer
x = 86,673,576.75
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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.