Finding the Fourth Proportional to 164,986,216.70, 247,479,325.05 and 74,286,952.70
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Solution
The fourth proportional to 164,986,216.70, 247,479,325.05 and 74,286,952.70 is: 111,430,429.05
Step by Step Solution
- Step 1: Write the proportion equation
164,986,216.70 : 247,479,325.05 = 74,286,952.70 : x - Step 2: Convert to fraction form
164,986,216.70/247,479,325.05 = 74,286,952.70/x - Step 3: Cross multiply
164,986,216.70x = 247,479,325.05 × 74,286,952.70 - Step 4: Simplify right side
164,986,216.70x = 18,384,484,914,217,276 - Step 5: Solve for x
x = 18,384,484,914,217,276/164,986,216.70 - Step 6: Final answer
x = 111,430,429.05
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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.