Finding the Fourth Proportional to 100,809,029.05, 151,213,543.58 and 100,809,029.05
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Solution
The fourth proportional to 100,809,029.05, 151,213,543.58 and 100,809,029.05 is: 151,213,543.58
Step by Step Solution
- Step 1: Write the proportion equation
100,809,029.05 : 151,213,543.58 = 100,809,029.05 : x - Step 2: Convert to fraction form
100,809,029.05/151,213,543.58 = 100,809,029.05/x - Step 3: Cross multiply
100,809,029.05x = 151,213,543.58 × 100,809,029.05 - Step 4: Simplify right side
100,809,029.05x = 15,243,690,507,509,662 - Step 5: Solve for x
x = 15,243,690,507,509,662/100,809,029.05 - Step 6: Final answer
x = 151,213,543.58
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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.