Finding the Fourth Proportional to 99,684,058.20, 149,526,087.30 and 58,701,427.80
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Solution
The fourth proportional to 99,684,058.20, 149,526,087.30 and 58,701,427.80 is: 88,052,141.70
Step by Step Solution
- Step 1: Write the proportion equation
99,684,058.20 : 149,526,087.30 = 58,701,427.80 : x - Step 2: Convert to fraction form
99,684,058.20/149,526,087.30 = 58,701,427.80/x - Step 3: Cross multiply
99,684,058.20x = 149,526,087.30 × 58,701,427.80 - Step 4: Simplify right side
99,684,058.20x = 8,777,394,817,857,447 - Step 5: Solve for x
x = 8,777,394,817,857,447/99,684,058.20 - Step 6: Final answer
x = 88,052,141.70
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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.