Finding the Fourth Proportional to 118,345,904.70, 177,518,857.05 and 54,644,912.70
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Solution
The fourth proportional to 118,345,904.70, 177,518,857.05 and 54,644,912.70 is: 81,967,369.05
Step by Step Solution
- Step 1: Write the proportion equation
118,345,904.70 : 177,518,857.05 = 54,644,912.70 : x - Step 2: Convert to fraction form
118,345,904.70/177,518,857.05 = 54,644,912.70/x - Step 3: Cross multiply
118,345,904.70x = 177,518,857.05 × 54,644,912.70 - Step 4: Simplify right side
118,345,904.70x = 9,700,502,446,101,030 - Step 5: Solve for x
x = 9,700,502,446,101,030/118,345,904.70 - Step 6: Final answer
x = 81,967,369.05
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1.5x scale
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.