Finding the Fourth Proportional to 126,092,528.95, 189,193,413.75 and 67,732,109.49
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Solution
The fourth proportional to 126,092,528.95, 189,193,413.75 and 67,732,109.49 is: 101,627,504.19
Step by Step Solution
- Step 1: Write the proportion equation
126,092,528.95 : 189,193,413.75 = 67,732,109.49 : x - Step 2: Convert to fraction form
126,092,528.95/189,193,413.75 = 67,732,109.49/x - Step 3: Cross multiply
126,092,528.95x = 189,193,413.75 × 67,732,109.49 - Step 4: Simplify right side
126,092,528.95x = 12,814,469,014,759,762 - Step 5: Solve for x
x = 12,814,469,014,759,762/126,092,528.95 - Step 6: Final answer
x = 101,627,504.19
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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.