Finding the Fourth Proportional to 45,921,963.90, 63,372,313.62 and 25,295,410.08
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Solution
The fourth proportional to 45,921,963.90, 63,372,313.62 and 25,295,410.08 is: 34,907,667.80
Step by Step Solution
- Step 1: Write the proportion equation
45,921,963.90 : 63,372,313.62 = 25,295,410.08 : x - Step 2: Convert to fraction form
45,921,963.90/63,372,313.62 = 25,295,410.08/x - Step 3: Cross multiply
45,921,963.90x = 63,372,313.62 × 25,295,410.08 - Step 4: Simplify right side
45,921,963.90x = 1,603,028,660,736,269 - Step 5: Solve for x
x = 1,603,028,660,736,269/45,921,963.90 - Step 6: Final answer
x = 34,907,667.80
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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.