Finding the Fourth Proportional to 258,177,419.10, 356,297,470.06 and 145,182,473.36
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Solution
The fourth proportional to 258,177,419.10, 356,297,470.06 and 145,182,473.36 is: 200,358,916.50
Step by Step Solution
- Step 1: Write the proportion equation
258,177,419.10 : 356,297,470.06 = 145,182,473.36 : x - Step 2: Convert to fraction form
258,177,419.10/356,297,470.06 = 145,182,473.36/x - Step 3: Cross multiply
258,177,419.10x = 356,297,470.06 × 145,182,473.36 - Step 4: Simplify right side
258,177,419.10x = 51,728,147,955,221,352 - Step 5: Solve for x
x = 51,728,147,955,221,352/258,177,419.10 - Step 6: Final answer
x = 200,358,916.50
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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.