Finding the Fourth Proportional to 75,831,309.42, 104,646,774.87 and 41,023,898.70
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Solution
The fourth proportional to 75,831,309.42, 104,646,774.87 and 41,023,898.70 is: 56,612,746.43
Step by Step Solution
- Step 1: Write the proportion equation
75,831,309.42 : 104,646,774.87 = 41,023,898.70 : x - Step 2: Convert to fraction form
75,831,309.42/104,646,774.87 = 41,023,898.70/x - Step 3: Cross multiply
75,831,309.42x = 104,646,774.87 × 41,023,898.70 - Step 4: Simplify right side
75,831,309.42x = 4,293,018,691,548,586 - Step 5: Solve for x
x = 4,293,018,691,548,586/75,831,309.42 - Step 6: Final answer
x = 56,612,746.43
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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.