Finding the Fourth Proportional to 254,628,102.24, 381,942,182.93 and 79,764,762.65
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Solution
The fourth proportional to 254,628,102.24, 381,942,182.93 and 79,764,762.65 is: 119,647,153.23
Step by Step Solution
- Step 1: Write the proportion equation
254,628,102.24 : 381,942,182.93 = 79,764,762.65 : x - Step 2: Convert to fraction form
254,628,102.24/381,942,182.93 = 79,764,762.65/x - Step 3: Cross multiply
254,628,102.24x = 381,942,182.93 × 79,764,762.65 - Step 4: Simplify right side
254,628,102.24x = 30,465,527,565,125,796 - Step 5: Solve for x
x = 30,465,527,565,125,796/254,628,102.24 - Step 6: Final answer
x = 119,647,153.23
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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.