Finding the Fourth Proportional to 185,786,201.80, 278,679,302.70 and 124,564,198.60
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Solution
The fourth proportional to 185,786,201.80, 278,679,302.70 and 124,564,198.60 is: 186,846,297.90
Step by Step Solution
- Step 1: Write the proportion equation
185,786,201.80 : 278,679,302.70 = 124,564,198.60 : x - Step 2: Convert to fraction form
185,786,201.80/278,679,302.70 = 124,564,198.60/x - Step 3: Cross multiply
185,786,201.80x = 278,679,302.70 × 124,564,198.60 - Step 4: Simplify right side
185,786,201.80x = 34,713,464,007,232,312 - Step 5: Solve for x
x = 34,713,464,007,232,312/185,786,201.80 - Step 6: Final answer
x = 186,846,297.90
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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.