Finding the Fourth Proportional to 266,795,533.36, 368,189,342.76 and 147,718,124.56
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Solution
The fourth proportional to 266,795,533.36, 368,189,342.76 and 147,718,124.56 is: 203,857,382.88
Step by Step Solution
- Step 1: Write the proportion equation
266,795,533.36 : 368,189,342.76 = 147,718,124.56 : x - Step 2: Convert to fraction form
266,795,533.36/368,189,342.76 = 147,718,124.56/x - Step 3: Cross multiply
266,795,533.36x = 368,189,342.76 × 147,718,124.56 - Step 4: Simplify right side
266,795,533.36x = 54,388,239,195,486,216 - Step 5: Solve for x
x = 54,388,239,195,486,216/266,795,533.36 - Step 6: Final answer
x = 203,857,382.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.