Finding the Fourth Proportional to 123,385,874.32, 183,975,710.01 and 119,995,945.08
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Solution
The fourth proportional to 123,385,874.32, 183,975,710.01 and 119,995,945.08 is: 178,921,122.99
Step by Step Solution
- Step 1: Write the proportion equation
123,385,874.32 : 183,975,710.01 = 119,995,945.08 : x - Step 2: Convert to fraction form
123,385,874.32/183,975,710.01 = 119,995,945.08/x - Step 3: Cross multiply
123,385,874.32x = 183,975,710.01 × 119,995,945.08 - Step 4: Simplify right side
123,385,874.32x = 22,076,339,194,413,964 - Step 5: Solve for x
x = 22,076,339,194,413,964/123,385,874.32 - Step 6: Final answer
x = 178,921,122.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.