Finding the Fourth Proportional to 131,058,415.80, 196,571,877.30 and 54,373,447.80
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Solution
The fourth proportional to 131,058,415.80, 196,571,877.30 and 54,373,447.80 is: 81,553,638.84
Step by Step Solution
- Step 1: Write the proportion equation
131,058,415.80 : 196,571,877.30 = 54,373,447.80 : x - Step 2: Convert to fraction form
131,058,415.80/196,571,877.30 = 54,373,447.80/x - Step 3: Cross multiply
131,058,415.80x = 196,571,877.30 × 54,373,447.80 - Step 4: Simplify right side
131,058,415.80x = 10,688,290,709,319,556 - Step 5: Solve for x
x = 10,688,290,709,319,556/131,058,415.80 - Step 6: Final answer
x = 81,553,638.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.