Finding the Fourth Proportional to 70,774,563.36, 97,618,585.93 and 47,241,234.82
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Solution
The fourth proportional to 70,774,563.36, 97,618,585.93 and 47,241,234.82 is: 65,159,321.68
Step by Step Solution
- Step 1: Write the proportion equation
70,774,563.36 : 97,618,585.93 = 47,241,234.82 : x - Step 2: Convert to fraction form
70,774,563.36/97,618,585.93 = 47,241,234.82/x - Step 3: Cross multiply
70,774,563.36x = 97,618,585.93 × 47,241,234.82 - Step 4: Simplify right side
70,774,563.36x = 4,611,622,540,719,398 - Step 5: Solve for x
x = 4,611,622,540,719,398/70,774,563.36 - Step 6: Final answer
x = 65,159,321.68
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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.