Finding the Fourth Proportional to 141,477,278.24, 212,215,899.36 and 39,241,315.28
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Solution
The fourth proportional to 141,477,278.24, 212,215,899.36 and 39,241,315.28 is: 58,861,967.93
Step by Step Solution
- Step 1: Write the proportion equation
141,477,278.24 : 212,215,899.36 = 39,241,315.28 : x - Step 2: Convert to fraction form
141,477,278.24/212,215,899.36 = 39,241,315.28/x - Step 3: Cross multiply
141,477,278.24x = 212,215,899.36 × 39,241,315.28 - Step 4: Simplify right side
141,477,278.24x = 8,327,631,014,214,511 - Step 5: Solve for x
x = 8,327,631,014,214,511/141,477,278.24 - Step 6: Final answer
x = 58,861,967.93
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.