Finding the Fourth Proportional to 75,241,462.96, 103,824,917.07 and 42,194,911.63
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Solution
The fourth proportional to 75,241,462.96, 103,824,917.07 and 42,194,911.63 is: 58,224,322.45
Step by Step Solution
- Step 1: Write the proportion equation
75,241,462.96 : 103,824,917.07 = 42,194,911.63 : x - Step 2: Convert to fraction form
75,241,462.96/103,824,917.07 = 42,194,911.63/x - Step 3: Cross multiply
75,241,462.96x = 103,824,917.07 × 42,194,911.63 - Step 4: Simplify right side
75,241,462.96x = 4,380,883,200,760,728.50 - Step 5: Solve for x
x = 4,380,883,200,760,728.50/75,241,462.96 - Step 6: Final answer
x = 58,224,322.45
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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.