Finding the Fourth Proportional to 73,127,065.65, 109,718,592.08 and 71,979,328.05
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Solution
The fourth proportional to 73,127,065.65, 109,718,592.08 and 71,979,328.05 is: 107,996,546.31
Step by Step Solution
- Step 1: Write the proportion equation
73,127,065.65 : 109,718,592.08 = 71,979,328.05 : x - Step 2: Convert to fraction form
73,127,065.65/109,718,592.08 = 71,979,328.05/x - Step 3: Cross multiply
73,127,065.65x = 109,718,592.08 × 71,979,328.05 - Step 4: Simplify right side
73,127,065.65x = 7,897,470,532,150,555 - Step 5: Solve for x
x = 7,897,470,532,150,555/73,127,065.65 - Step 6: Final answer
x = 107,996,546.31
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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.