Finding the Fourth Proportional to 69,860,539.68, 104,299,604.52 and 53,379,570.12
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Solution
The fourth proportional to 69,860,539.68, 104,299,604.52 and 53,379,570.12 is: 79,694,031.54
Step by Step Solution
- Step 1: Write the proportion equation
69,860,539.68 : 104,299,604.52 = 53,379,570.12 : x - Step 2: Convert to fraction form
69,860,539.68/104,299,604.52 = 53,379,570.12/x - Step 3: Cross multiply
69,860,539.68x = 104,299,604.52 × 53,379,570.12 - Step 4: Simplify right side
69,860,539.68x = 5,567,468,052,963,608 - Step 5: Solve for x
x = 5,567,468,052,963,608/69,860,539.68 - Step 6: Final answer
x = 79,694,031.54
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.