Finding the Fourth Proportional to 237,477,760.74, 355,968,022.41 and 99,382,488.84
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Solution
The fourth proportional to 237,477,760.74, 355,968,022.41 and 99,382,488.84 is: 148,969,688.38
Step by Step Solution
- Step 1: Write the proportion equation
237,477,760.74 : 355,968,022.41 = 99,382,488.84 : x - Step 2: Convert to fraction form
237,477,760.74/355,968,022.41 = 99,382,488.84/x - Step 3: Cross multiply
237,477,760.74x = 355,968,022.41 × 99,382,488.84 - Step 4: Simplify right side
237,477,760.74x = 35,376,988,014,558,700 - Step 5: Solve for x
x = 35,376,988,014,558,700/237,477,760.74 - Step 6: Final answer
x = 148,969,688.38
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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.