Finding the Fourth Proportional to 177,385,527.80, 265,854,342.90 and 157,230,135.80
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Solution
The fourth proportional to 177,385,527.80, 265,854,342.90 and 157,230,135.80 is: 235,646,701.03
Step by Step Solution
- Step 1: Write the proportion equation
177,385,527.80 : 265,854,342.90 = 157,230,135.80 : x - Step 2: Convert to fraction form
177,385,527.80/265,854,342.90 = 157,230,135.80/x - Step 3: Cross multiply
177,385,527.80x = 265,854,342.90 × 157,230,135.80 - Step 4: Simplify right side
177,385,527.80x = 41,800,314,437,186,768 - Step 5: Solve for x
x = 41,800,314,437,186,768/177,385,527.80 - Step 6: Final answer
x = 235,646,701.03
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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.