Finding the Fourth Proportional to 213,038,759.96, 319,576,355.28 and 74,852,355.84
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Solution
The fourth proportional to 213,038,759.96, 319,576,355.28 and 74,852,355.84 is: 112,284,933.82
Step by Step Solution
- Step 1: Write the proportion equation
213,038,759.96 : 319,576,355.28 = 74,852,355.84 : x - Step 2: Convert to fraction form
213,038,759.96/319,576,355.28 = 74,852,355.84/x - Step 3: Cross multiply
213,038,759.96x = 319,576,355.28 × 74,852,355.84 - Step 4: Simplify right side
213,038,759.96x = 23,921,043,063,468,820 - Step 5: Solve for x
x = 23,921,043,063,468,820/213,038,759.96 - Step 6: Final answer
x = 112,284,933.82
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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.