Finding the Fourth Proportional to 149,461,247.33, 206,073,277.49 and 122,906,802.68
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Solution
The fourth proportional to 149,461,247.33, 206,073,277.49 and 122,906,802.68 is: 169,460,700.39
Step by Step Solution
- Step 1: Write the proportion equation
149,461,247.33 : 206,073,277.49 = 122,906,802.68 : x - Step 2: Convert to fraction form
149,461,247.33/206,073,277.49 = 122,906,802.68/x - Step 3: Cross multiply
149,461,247.33x = 206,073,277.49 × 122,906,802.68 - Step 4: Simplify right side
149,461,247.33x = 25,327,807,653,053,948 - Step 5: Solve for x
x = 25,327,807,653,053,948/149,461,247.33 - Step 6: Final answer
x = 169,460,700.39
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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.