Finding the Fourth Proportional to 73,513,603.20, 110,270,404.80 and 53,106,268.80
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Solution
The fourth proportional to 73,513,603.20, 110,270,404.80 and 53,106,268.80 is: 79,659,403.20
Step by Step Solution
- Step 1: Write the proportion equation
73,513,603.20 : 110,270,404.80 = 53,106,268.80 : x - Step 2: Convert to fraction form
73,513,603.20/110,270,404.80 = 53,106,268.80/x - Step 3: Cross multiply
73,513,603.20x = 110,270,404.80 × 53,106,268.80 - Step 4: Simplify right side
73,513,603.20x = 5,856,049,757,993,610 - Step 5: Solve for x
x = 5,856,049,757,993,610/73,513,603.20 - Step 6: Final answer
x = 79,659,403.20
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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.