Finding the Fourth Proportional to 208,108,359.24, 287,207,171.64 and 115,317,973.32
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Solution
The fourth proportional to 208,108,359.24, 287,207,171.64 and 115,317,973.32 is: 159,148,575.66
Step by Step Solution
- Step 1: Write the proportion equation
208,108,359.24 : 287,207,171.64 = 115,317,973.32 : x - Step 2: Convert to fraction form
208,108,359.24/287,207,171.64 = 115,317,973.32/x - Step 3: Cross multiply
208,108,359.24x = 287,207,171.64 × 115,317,973.32 - Step 4: Simplify right side
208,108,359.24x = 33,120,148,956,494,176 - Step 5: Solve for x
x = 33,120,148,956,494,176/208,108,359.24 - Step 6: Final answer
x = 159,148,575.66
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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.