Finding the Fourth Proportional to 76,791,755.80, 115,250,619.30 and 74,272,331.80
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Solution
The fourth proportional to 76,791,755.80, 115,250,619.30 and 74,272,331.80 is: 111,469,416.84
Step by Step Solution
- Step 1: Write the proportion equation
76,791,755.80 : 115,250,619.30 = 74,272,331.80 : x - Step 2: Convert to fraction form
76,791,755.80/115,250,619.30 = 74,272,331.80/x - Step 3: Cross multiply
76,791,755.80x = 115,250,619.30 × 74,272,331.80 - Step 4: Simplify right side
76,791,755.80x = 8,559,932,236,805,083 - Step 5: Solve for x
x = 8,559,932,236,805,083/76,791,755.80 - Step 6: Final answer
x = 111,469,416.84
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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.