Finding the Fourth Proportional to 67,916,664.81, 93,733,466.63 and 38,557,502.01
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Solution
The fourth proportional to 67,916,664.81, 93,733,466.63 and 38,557,502.01 is: 53,214,160.88
Step by Step Solution
- Step 1: Write the proportion equation
67,916,664.81 : 93,733,466.63 = 38,557,502.01 : x - Step 2: Convert to fraction form
67,916,664.81/93,733,466.63 = 38,557,502.01/x - Step 3: Cross multiply
67,916,664.81x = 93,733,466.63 × 38,557,502.01 - Step 4: Simplify right side
67,916,664.81x = 3,614,128,327,797,705 - Step 5: Solve for x
x = 3,614,128,327,797,705/67,916,664.81 - Step 6: Final answer
x = 53,214,160.88
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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.