Finding the Fourth Proportional to 220,256,358.71, 330,086,921.99 and 83,867,340.47
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Solution
The fourth proportional to 220,256,358.71, 330,086,921.99 and 83,867,340.47 is: 125,687,686.98
Step by Step Solution
- Step 1: Write the proportion equation
220,256,358.71 : 330,086,921.99 = 83,867,340.47 : x - Step 2: Convert to fraction form
220,256,358.71/330,086,921.99 = 83,867,340.47/x - Step 3: Cross multiply
220,256,358.71x = 330,086,921.99 × 83,867,340.47 - Step 4: Simplify right side
220,256,358.71x = 27,683,512,269,159,892 - Step 5: Solve for x
x = 27,683,512,269,159,892/220,256,358.71 - Step 6: Final answer
x = 125,687,686.98
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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.