Finding the Fourth Proportional to 79,542,579.40, 119,313,936.08 and 38,033,689.36
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Solution
The fourth proportional to 79,542,579.40, 119,313,936.08 and 38,033,689.36 is: 57,050,566.07
Step by Step Solution
- Step 1: Write the proportion equation
79,542,579.40 : 119,313,936.08 = 38,033,689.36 : x - Step 2: Convert to fraction form
79,542,579.40/119,313,936.08 = 38,033,689.36/x - Step 3: Cross multiply
79,542,579.40x = 119,313,936.08 × 38,033,689.36 - Step 4: Simplify right side
79,542,579.40x = 4,537,949,181,185,616 - Step 5: Solve for x
x = 4,537,949,181,185,616/79,542,579.40 - Step 6: Final answer
x = 57,050,566.07
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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.