Finding the Fourth Proportional to 122,225,166,112.80, 168,670,737,346.29 and 68,030,551,707.18
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Solution
The fourth proportional to 122,225,166,112.80, 168,670,737,346.29 and 68,030,551,707.18 is: 93,882,165,870.28
Step by Step Solution
- Step 1: Write the proportion equation
122,225,166,112.80 : 168,670,737,346.29 = 68,030,551,707.18 : x - Step 2: Convert to fraction form
122,225,166,112.80/168,670,737,346.29 = 68,030,551,707.18/x - Step 3: Cross multiply
122,225,166,112.80x = 168,670,737,346.29 × 68,030,551,707.18 - Step 4: Simplify right side
122,225,166,112.80x = 11,474,763,318,524,960,047,104 - Step 5: Solve for x
x = 11,474,763,318,524,960,047,104/122,225,166,112.80 - Step 6: Final answer
x = 93,882,165,870.28
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1.5x scale
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.