Finding the Fourth Proportional to 160,510,349.70, 221,523,192.09 and 95,320,253.70
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Solution
The fourth proportional to 160,510,349.70, 221,523,192.09 and 95,320,253.70 is: 131,553,179.65
Step by Step Solution
- Step 1: Write the proportion equation
160,510,349.70 : 221,523,192.09 = 95,320,253.70 : x - Step 2: Convert to fraction form
160,510,349.70/221,523,192.09 = 95,320,253.70/x - Step 3: Cross multiply
160,510,349.70x = 221,523,192.09 × 95,320,253.70 - Step 4: Simplify right side
160,510,349.70x = 21,115,646,870,452,636 - Step 5: Solve for x
x = 21,115,646,870,452,636/160,510,349.70 - Step 6: Final answer
x = 131,553,179.65
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1.5x scale
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.