Finding the Fourth Proportional to 252,928,745.68, 348,934,787.36 and 169,323,810.78
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Solution
The fourth proportional to 252,928,745.68, 348,934,787.36 and 169,323,810.78 is: 233,595,306.66
Step by Step Solution
- Step 1: Write the proportion equation
252,928,745.68 : 348,934,787.36 = 169,323,810.78 : x - Step 2: Convert to fraction form
252,928,745.68/348,934,787.36 = 169,323,810.78/x - Step 3: Cross multiply
252,928,745.68x = 348,934,787.36 × 169,323,810.78 - Step 4: Simplify right side
252,928,745.68x = 59,082,967,909,504,176 - Step 5: Solve for x
x = 59,082,967,909,504,176/252,928,745.68 - Step 6: Final answer
x = 233,595,306.66
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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.