Finding the Fourth Proportional to 245,366,949.36, 338,600,940.67 and 135,358,633.20
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Solution
The fourth proportional to 245,366,949.36, 338,600,940.67 and 135,358,633.20 is: 186,791,907.59
Step by Step Solution
- Step 1: Write the proportion equation
245,366,949.36 : 338,600,940.67 = 135,358,633.20 : x - Step 2: Convert to fraction form
245,366,949.36/338,600,940.67 = 135,358,633.20/x - Step 3: Cross multiply
245,366,949.36x = 338,600,940.67 × 135,358,633.20 - Step 4: Simplify right side
245,366,949.36x = 45,832,560,529,325,488 - Step 5: Solve for x
x = 45,832,560,529,325,488/245,366,949.36 - Step 6: Final answer
x = 186,791,907.59
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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.