Finding the Fourth Proportional to 73,793,309.80, 110,689,964.70 and 69,612,932.20
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Solution
The fourth proportional to 73,793,309.80, 110,689,964.70 and 69,612,932.20 is: 104,419,398.30
Step by Step Solution
- Step 1: Write the proportion equation
73,793,309.80 : 110,689,964.70 = 69,612,932.20 : x - Step 2: Convert to fraction form
73,793,309.80/110,689,964.70 = 69,612,932.20/x - Step 3: Cross multiply
73,793,309.80x = 110,689,964.70 × 69,612,932.20 - Step 4: Simplify right side
73,793,309.80x = 7,705,453,007,881,494 - Step 5: Solve for x
x = 7,705,453,007,881,494/73,793,309.80 - Step 6: Final answer
x = 104,419,398.30
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.