Finding the Fourth Proportional to 69,549,226.20, 104,319,173.70 and 18,430,147.80
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Solution
The fourth proportional to 69,549,226.20, 104,319,173.70 and 18,430,147.80 is: 27,643,985.34
Step by Step Solution
- Step 1: Write the proportion equation
69,549,226.20 : 104,319,173.70 = 18,430,147.80 : x - Step 2: Convert to fraction form
69,549,226.20/104,319,173.70 = 18,430,147.80/x - Step 3: Cross multiply
69,549,226.20x = 104,319,173.70 × 18,430,147.80 - Step 4: Simplify right side
69,549,226.20x = 1,922,617,789,664,873 - Step 5: Solve for x
x = 1,922,617,789,664,873/69,549,226.20 - Step 6: Final answer
x = 27,643,985.34
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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.