Finding the Fourth Proportional to 208,159,822.08, 287,260,270.08 and 115,346,338.56
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Solution
The fourth proportional to 208,159,822.08, 287,260,270.08 and 115,346,338.56 is: 159,177,789.63
Step by Step Solution
- Step 1: Write the proportion equation
208,159,822.08 : 287,260,270.08 = 115,346,338.56 : x - Step 2: Convert to fraction form
208,159,822.08/287,260,270.08 = 115,346,338.56/x - Step 3: Cross multiply
208,159,822.08x = 287,260,270.08 × 115,346,338.56 - Step 4: Simplify right side
208,159,822.08x = 33,134,420,367,484,716 - Step 5: Solve for x
x = 33,134,420,367,484,716/208,159,822.08 - Step 6: Final answer
x = 159,177,789.63
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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.