Finding the Fourth Proportional to 124,498,657.80, 186,747,986.70 and 59,786,858.70
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Solution
The fourth proportional to 124,498,657.80, 186,747,986.70 and 59,786,858.70 is: 89,680,288.05
Step by Step Solution
- Step 1: Write the proportion equation
124,498,657.80 : 186,747,986.70 = 59,786,858.70 : x - Step 2: Convert to fraction form
124,498,657.80/186,747,986.70 = 59,786,858.70/x - Step 3: Cross multiply
124,498,657.80x = 186,747,986.70 × 59,786,858.70 - Step 4: Simplify right side
124,498,657.80x = 11,165,075,493,342,380 - Step 5: Solve for x
x = 11,165,075,493,342,380/124,498,657.80 - Step 6: Final answer
x = 89,680,288.05
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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.