Finding the Fourth Proportional to 80,432,869.10, 120,680,796.45 and 29,320,054.70
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Solution
The fourth proportional to 80,432,869.10, 120,680,796.45 and 29,320,054.70 is: 43,991,562.07
Step by Step Solution
- Step 1: Write the proportion equation
80,432,869.10 : 120,680,796.45 = 29,320,054.70 : x - Step 2: Convert to fraction form
80,432,869.10/120,680,796.45 = 29,320,054.70/x - Step 3: Cross multiply
80,432,869.10x = 120,680,796.45 × 29,320,054.70 - Step 4: Simplify right side
80,432,869.10x = 3,538,367,553,153,566 - Step 5: Solve for x
x = 3,538,367,553,153,566/80,432,869.10 - Step 6: Final answer
x = 43,991,562.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.