Finding the Fourth Proportional to 103,674,388.20, 155,511,582.30 and 62,992,579.65
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Solution
The fourth proportional to 103,674,388.20, 155,511,582.30 and 62,992,579.65 is: 94,488,869.48
Step by Step Solution
- Step 1: Write the proportion equation
103,674,388.20 : 155,511,582.30 = 62,992,579.65 : x - Step 2: Convert to fraction form
103,674,388.20/155,511,582.30 = 62,992,579.65/x - Step 3: Cross multiply
103,674,388.20x = 155,511,582.30 × 62,992,579.65 - Step 4: Simplify right side
103,674,388.20x = 9,796,075,734,530,280 - Step 5: Solve for x
x = 9,796,075,734,530,280/103,674,388.20 - Step 6: Final answer
x = 94,488,869.48
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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.