Finding the Fourth Proportional to 112,265,125.80, 168,397,688.70 and 112,265,125.80
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Solution
The fourth proportional to 112,265,125.80, 168,397,688.70 and 112,265,125.80 is: 168,397,688.70
Step by Step Solution
- Step 1: Write the proportion equation
112,265,125.80 : 168,397,688.70 = 112,265,125.80 : x - Step 2: Convert to fraction form
112,265,125.80/168,397,688.70 = 112,265,125.80/x - Step 3: Cross multiply
112,265,125.80x = 168,397,688.70 × 112,265,125.80 - Step 4: Simplify right side
112,265,125.80x = 18,905,187,706,334,736 - Step 5: Solve for x
x = 18,905,187,706,334,736/112,265,125.80 - Step 6: Final answer
x = 168,397,688.70
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1.5x scale
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.