Finding the Fourth Proportional to 247,563,420.72, 341,645,711.58 and 136,058,213.94
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Solution
The fourth proportional to 247,563,420.72, 341,645,711.58 and 136,058,213.94 is: 187,764,836.92
Step by Step Solution
- Step 1: Write the proportion equation
247,563,420.72 : 341,645,711.58 = 136,058,213.94 : x - Step 2: Convert to fraction form
247,563,420.72/341,645,711.58 = 136,058,213.94/x - Step 3: Cross multiply
247,563,420.72x = 341,645,711.58 × 136,058,213.94 - Step 4: Simplify right side
247,563,420.72x = 46,483,705,317,835,176 - Step 5: Solve for x
x = 46,483,705,317,835,176/247,563,420.72 - Step 6: Final answer
x = 187,764,836.92
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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.