Finding the Fourth Proportional to 332,178,271.40, 498,264,782.70 and 86,534,431.40
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Solution
The fourth proportional to 332,178,271.40, 498,264,782.70 and 86,534,431.40 is: 129,800,963.43
Step by Step Solution
- Step 1: Write the proportion equation
332,178,271.40 : 498,264,782.70 = 86,534,431.40 : x - Step 2: Convert to fraction form
332,178,271.40/498,264,782.70 = 86,534,431.40/x - Step 3: Cross multiply
332,178,271.40x = 498,264,782.70 × 86,534,431.40 - Step 4: Simplify right side
332,178,271.40x = 43,117,059,657,589,056 - Step 5: Solve for x
x = 43,117,059,657,589,056/332,178,271.40 - Step 6: Final answer
x = 129,800,963.43
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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.