Finding the Fourth Proportional to 165,888,662.40, 248,832,993.60 and 93,329,251.20
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Solution
The fourth proportional to 165,888,662.40, 248,832,993.60 and 93,329,251.20 is: 139,993,876.80
Step by Step Solution
- Step 1: Write the proportion equation
165,888,662.40 : 248,832,993.60 = 93,329,251.20 : x - Step 2: Convert to fraction form
165,888,662.40/248,832,993.60 = 93,329,251.20/x - Step 3: Cross multiply
165,888,662.40x = 248,832,993.60 × 93,329,251.20 - Step 4: Simplify right side
165,888,662.40x = 23,223,396,966,542,392 - Step 5: Solve for x
x = 23,223,396,966,542,392/165,888,662.40 - Step 6: Final answer
x = 139,993,876.80
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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.