Finding the Fourth Proportional to 124,019,105.80, 186,028,658.70 and 97,115,758.60
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Solution
The fourth proportional to 124,019,105.80, 186,028,658.70 and 97,115,758.60 is: 145,673,637.90
Step by Step Solution
- Step 1: Write the proportion equation
124,019,105.80 : 186,028,658.70 = 97,115,758.60 : x - Step 2: Convert to fraction form
124,019,105.80/186,028,658.70 = 97,115,758.60/x - Step 3: Cross multiply
124,019,105.80x = 186,028,658.70 × 97,115,758.60 - Step 4: Simplify right side
124,019,105.80x = 18,066,314,310,990,988 - Step 5: Solve for x
x = 18,066,314,310,990,988/124,019,105.80 - Step 6: Final answer
x = 145,673,637.90
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Similar ratio
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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.