Finding the Fourth Proportional to 146,928,989.95, 220,393,452.12 and 53,562,961.07
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Solution
The fourth proportional to 146,928,989.95, 220,393,452.12 and 53,562,961.07 is: 80,344,429.65
Step by Step Solution
- Step 1: Write the proportion equation
146,928,989.95 : 220,393,452.12 = 53,562,961.07 : x - Step 2: Convert to fraction form
146,928,989.95/220,393,452.12 = 53,562,961.07/x - Step 3: Cross multiply
146,928,989.95x = 220,393,452.12 × 53,562,961.07 - Step 4: Simplify right side
146,928,989.95x = 11,804,925,896,749,830 - Step 5: Solve for x
x = 11,804,925,896,749,830/146,928,989.95 - Step 6: Final answer
x = 80,344,429.65
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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.