Finding the Fourth Proportional to 56,635,506.17, 78,157,804.62 and 33,430,633.05
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Solution
The fourth proportional to 56,635,506.17, 78,157,804.62 and 33,430,633.05 is: 46,134,749.44
Step by Step Solution
- Step 1: Write the proportion equation
56,635,506.17 : 78,157,804.62 = 33,430,633.05 : x - Step 2: Convert to fraction form
56,635,506.17/78,157,804.62 = 33,430,633.05/x - Step 3: Cross multiply
56,635,506.17x = 78,157,804.62 × 33,430,633.05 - Step 4: Simplify right side
56,635,506.17x = 2,612,864,886,244,815 - Step 5: Solve for x
x = 2,612,864,886,244,815/56,635,506.17 - Step 6: Final answer
x = 46,134,749.44
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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.