Finding the Fourth Proportional to 240,586,520.76, 332,009,719.02 and 130,578,247.80
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Solution
The fourth proportional to 240,586,520.76, 332,009,719.02 and 130,578,247.80 is: 180,198,155.85
Step by Step Solution
- Step 1: Write the proportion equation
240,586,520.76 : 332,009,719.02 = 130,578,247.80 : x - Step 2: Convert to fraction form
240,586,520.76/332,009,719.02 = 130,578,247.80/x - Step 3: Cross multiply
240,586,520.76x = 332,009,719.02 × 130,578,247.80 - Step 4: Simplify right side
240,586,520.76x = 43,353,247,362,201,928 - Step 5: Solve for x
x = 43,353,247,362,201,928/240,586,520.76 - Step 6: Final answer
x = 180,198,155.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.