Finding the Fourth Proportional to 53,513,853.36, 73,855,243.78 and 29,998,741.23
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Solution
The fourth proportional to 53,513,853.36, 73,855,243.78 and 29,998,741.23 is: 41,401,697.09
Step by Step Solution
- Step 1: Write the proportion equation
53,513,853.36 : 73,855,243.78 = 29,998,741.23 : x - Step 2: Convert to fraction form
53,513,853.36/73,855,243.78 = 29,998,741.23/x - Step 3: Cross multiply
53,513,853.36x = 73,855,243.78 × 29,998,741.23 - Step 4: Simplify right side
53,513,853.36x = 2,215,564,346,728,503.25 - Step 5: Solve for x
x = 2,215,564,346,728,503.25/53,513,853.36 - Step 6: Final answer
x = 41,401,697.09
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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.