Finding the Fourth Proportional to 51,594,991.86, 71,203,053.39 and 29,572,741.12
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Solution
The fourth proportional to 51,594,991.86, 71,203,053.39 and 29,572,741.12 is: 40,811,508.81
Step by Step Solution
- Step 1: Write the proportion equation
51,594,991.86 : 71,203,053.39 = 29,572,741.12 : x - Step 2: Convert to fraction form
51,594,991.86/71,203,053.39 = 29,572,741.12/x - Step 3: Cross multiply
51,594,991.86x = 71,203,053.39 × 29,572,741.12 - Step 4: Simplify right side
51,594,991.86x = 2,105,669,464,867,032.25 - Step 5: Solve for x
x = 2,105,669,464,867,032.25/51,594,991.86 - Step 6: Final answer
x = 40,811,508.81
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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.