Finding the Fourth Proportional to 177,159,135.80, 265,738,703.70 and 163,554,246.20
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Solution
The fourth proportional to 177,159,135.80, 265,738,703.70 and 163,554,246.20 is: 245,331,369.30
Step by Step Solution
- Step 1: Write the proportion equation
177,159,135.80 : 265,738,703.70 = 163,554,246.20 : x - Step 2: Convert to fraction form
177,159,135.80/265,738,703.70 = 163,554,246.20/x - Step 3: Cross multiply
177,159,135.80x = 265,738,703.70 × 163,554,246.20 - Step 4: Simplify right side
177,159,135.80x = 43,462,693,369,818,648 - Step 5: Solve for x
x = 43,462,693,369,818,648/177,159,135.80 - Step 6: Final answer
x = 245,331,369.30
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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.