Finding the Fourth Proportional to 85,410,377.36, 117,866,434.56 and 46,252,221.68
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Solution
The fourth proportional to 85,410,377.36, 117,866,434.56 and 46,252,221.68 is: 63,828,127.55
Step by Step Solution
- Step 1: Write the proportion equation
85,410,377.36 : 117,866,434.56 = 46,252,221.68 : x - Step 2: Convert to fraction form
85,410,377.36/117,866,434.56 = 46,252,221.68/x - Step 3: Cross multiply
85,410,377.36x = 117,866,434.56 × 46,252,221.68 - Step 4: Simplify right side
85,410,377.36x = 5,451,584,459,900,333 - Step 5: Solve for x
x = 5,451,584,459,900,333/85,410,377.36 - Step 6: Final answer
x = 63,828,127.55
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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.