Finding the Fourth Proportional to 125,346,493.80, 188,019,740.70 and 125,346,493.80
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Solution
The fourth proportional to 125,346,493.80, 188,019,740.70 and 125,346,493.80 is: 188,019,740.70
Step by Step Solution
- Step 1: Write the proportion equation
125,346,493.80 : 188,019,740.70 = 125,346,493.80 : x - Step 2: Convert to fraction form
125,346,493.80/188,019,740.70 = 125,346,493.80/x - Step 3: Cross multiply
125,346,493.80x = 188,019,740.70 × 125,346,493.80 - Step 4: Simplify right side
125,346,493.80x = 23,567,615,261,930,156 - Step 5: Solve for x
x = 23,567,615,261,930,156/125,346,493.80 - Step 6: Final answer
x = 188,019,740.70
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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.