Finding the Fourth Proportional to 69,358,395.12, 95,714,593.56 and 38,420,568.24
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Solution
The fourth proportional to 69,358,395.12, 95,714,593.56 and 38,420,568.24 is: 53,020,388.77
Step by Step Solution
- Step 1: Write the proportion equation
69,358,395.12 : 95,714,593.56 = 38,420,568.24 : x - Step 2: Convert to fraction form
69,358,395.12/95,714,593.56 = 38,420,568.24/x - Step 3: Cross multiply
69,358,395.12x = 95,714,593.56 × 38,420,568.24 - Step 4: Simplify right side
69,358,395.12x = 3,677,409,073,435,845 - Step 5: Solve for x
x = 3,677,409,073,435,845/69,358,395.12 - Step 6: Final answer
x = 53,020,388.77
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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.