Finding the Fourth Proportional to 220,664,255.49, 304,516,671.42 and 127,898,571.74
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Solution
The fourth proportional to 220,664,255.49, 304,516,671.42 and 127,898,571.74 is: 176,500,028.32
Step by Step Solution
- Step 1: Write the proportion equation
220,664,255.49 : 304,516,671.42 = 127,898,571.74 : x - Step 2: Convert to fraction form
220,664,255.49/304,516,671.42 = 127,898,571.74/x - Step 3: Cross multiply
220,664,255.49x = 304,516,671.42 × 127,898,571.74 - Step 4: Simplify right side
220,664,255.49x = 38,947,247,344,114,296 - Step 5: Solve for x
x = 38,947,247,344,114,296/220,664,255.49 - Step 6: Final answer
x = 176,500,028.32
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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.