Finding the Fourth Proportional to 122,083,693.20, 183,125,539.80 and 112,730,331.60
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Solution
The fourth proportional to 122,083,693.20, 183,125,539.80 and 112,730,331.60 is: 169,095,497.40
Step by Step Solution
- Step 1: Write the proportion equation
122,083,693.20 : 183,125,539.80 = 112,730,331.60 : x - Step 2: Convert to fraction form
122,083,693.20/183,125,539.80 = 112,730,331.60/x - Step 3: Cross multiply
122,083,693.20x = 183,125,539.80 × 112,730,331.60 - Step 4: Simplify right side
122,083,693.20x = 20,643,802,826,082,996 - Step 5: Solve for x
x = 20,643,802,826,082,996/122,083,693.20 - Step 6: Final answer
x = 169,095,497.40
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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.