Finding the Fourth Proportional to 99,642,272.80, 149,526,394.80 and 58,701,632.80
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Solution
The fourth proportional to 99,642,272.80, 149,526,394.80 and 58,701,632.80 is: 88,089,555.52
Step by Step Solution
- Step 1: Write the proportion equation
99,642,272.80 : 149,526,394.80 = 58,701,632.80 : x - Step 2: Convert to fraction form
99,642,272.80/149,526,394.80 = 58,701,632.80/x - Step 3: Cross multiply
99,642,272.80x = 149,526,394.80 × 58,701,632.80 - Step 4: Simplify right side
99,642,272.80x = 8,777,443,521,457,430 - Step 5: Solve for x
x = 8,777,443,521,457,430/99,642,272.80 - Step 6: Final answer
x = 88,089,555.52
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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.