Finding the Fourth Proportional to 151,247,115.80, 226,870,673.70 and 121,014,027.80
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Solution
The fourth proportional to 151,247,115.80, 226,870,673.70 and 121,014,027.80 is: 181,521,041.70
Step by Step Solution
- Step 1: Write the proportion equation
151,247,115.80 : 226,870,673.70 = 121,014,027.80 : x - Step 2: Convert to fraction form
151,247,115.80/226,870,673.70 = 121,014,027.80/x - Step 3: Cross multiply
151,247,115.80x = 226,870,673.70 × 121,014,027.80 - Step 4: Simplify right side
151,247,115.80x = 27,454,534,014,136,528 - Step 5: Solve for x
x = 27,454,534,014,136,528/151,247,115.80 - Step 6: Final answer
x = 181,521,041.70
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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.