Finding the Fourth Proportional to 147,177,803.86, 203,096,216.41 and 81,094,603.97
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Solution
The fourth proportional to 147,177,803.86, 203,096,216.41 and 81,094,603.97 is: 111,905,510.25
Step by Step Solution
- Step 1: Write the proportion equation
147,177,803.86 : 203,096,216.41 = 81,094,603.97 : x - Step 2: Convert to fraction form
147,177,803.86/203,096,216.41 = 81,094,603.97/x - Step 3: Cross multiply
147,177,803.86x = 203,096,216.41 × 81,094,603.97 - Step 4: Simplify right side
147,177,803.86x = 16,470,007,237,879,368 - Step 5: Solve for x
x = 16,470,007,237,879,368/147,177,803.86 - Step 6: Final answer
x = 111,905,510.25
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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.