Finding the Fourth Proportional to 100,816,480.05, 151,224,720.08 and 69,607,607.33
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Solution
The fourth proportional to 100,816,480.05, 151,224,720.08 and 69,607,607.33 is: 104,411,410.99
Step by Step Solution
- Step 1: Write the proportion equation
100,816,480.05 : 151,224,720.08 = 69,607,607.33 : x - Step 2: Convert to fraction form
100,816,480.05/151,224,720.08 = 69,607,607.33/x - Step 3: Cross multiply
100,816,480.05x = 151,224,720.08 × 69,607,607.33 - Step 4: Simplify right side
100,816,480.05x = 10,526,390,932,813,644 - Step 5: Solve for x
x = 10,526,390,932,813,644/100,816,480.05 - Step 6: Final answer
x = 104,411,410.99
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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.