Finding the Fourth Proportional to 186,782,202.20, 279,417,476.10 and 164,107,386.20
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Solution
The fourth proportional to 186,782,202.20, 279,417,476.10 and 164,107,386.20 is: 245,497,007.32
Step by Step Solution
- Step 1: Write the proportion equation
186,782,202.20 : 279,417,476.10 = 164,107,386.20 : x - Step 2: Convert to fraction form
186,782,202.20/279,417,476.10 = 164,107,386.20/x - Step 3: Cross multiply
186,782,202.20x = 279,417,476.10 × 164,107,386.20 - Step 4: Simplify right side
186,782,202.20x = 45,854,471,661,371,968 - Step 5: Solve for x
x = 45,854,471,661,371,968/186,782,202.20 - Step 6: Final answer
x = 245,497,007.32
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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.