Finding the Fourth Proportional to 100,063,395.09, 138,088,895.49 and 57,653,515.83
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Solution
The fourth proportional to 100,063,395.09, 138,088,895.49 and 57,653,515.83 is: 79,562,664.39
Step by Step Solution
- Step 1: Write the proportion equation
100,063,395.09 : 138,088,895.49 = 57,653,515.83 : x - Step 2: Convert to fraction form
100,063,395.09/138,088,895.49 = 57,653,515.83/x - Step 3: Cross multiply
100,063,395.09x = 138,088,895.49 × 57,653,515.83 - Step 4: Simplify right side
100,063,395.09x = 7,961,310,322,023,156 - Step 5: Solve for x
x = 7,961,310,322,023,156/100,063,395.09 - Step 6: Final answer
x = 79,562,664.39
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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.