Finding the Fourth Proportional to 247,563,408.50, 341,645,694.63 and 136,058,201.70
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Solution
The fourth proportional to 247,563,408.50, 341,645,694.63 and 136,058,201.70 is: 187,764,819.98
Step by Step Solution
- Step 1: Write the proportion equation
247,563,408.50 : 341,645,694.63 = 136,058,201.70 : x - Step 2: Convert to fraction form
247,563,408.50/341,645,694.63 = 136,058,201.70/x - Step 3: Cross multiply
247,563,408.50x = 341,645,694.63 × 136,058,201.70 - Step 4: Simplify right side
247,563,408.50x = 46,483,698,829,905,144 - Step 5: Solve for x
x = 46,483,698,829,905,144/247,563,408.50 - Step 6: Final answer
x = 187,764,819.98
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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.