Finding the Fourth Proportional to 129,762,118.60, 194,643,177.90 and 124,022,555.80
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Solution
The fourth proportional to 129,762,118.60, 194,643,177.90 and 124,022,555.80 is: 186,033,833.70
Step by Step Solution
- Step 1: Write the proportion equation
129,762,118.60 : 194,643,177.90 = 124,022,555.80 : x - Step 2: Convert to fraction form
129,762,118.60/194,643,177.90 = 124,022,555.80/x - Step 3: Cross multiply
129,762,118.60x = 194,643,177.90 × 124,022,555.80 - Step 4: Simplify right side
129,762,118.60x = 24,140,144,392,192,076 - Step 5: Solve for x
x = 24,140,144,392,192,076/129,762,118.60 - Step 6: Final answer
x = 186,033,833.70
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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.