Finding the Fourth Proportional to 121,104,321.60, 181,685,409.12 and 40,325,989.44
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Solution
The fourth proportional to 121,104,321.60, 181,685,409.12 and 40,325,989.44 is: 60,498,616.34
Step by Step Solution
- Step 1: Write the proportion equation
121,104,321.60 : 181,685,409.12 = 40,325,989.44 : x - Step 2: Convert to fraction form
121,104,321.60/181,685,409.12 = 40,325,989.44/x - Step 3: Cross multiply
121,104,321.60x = 181,685,409.12 × 40,325,989.44 - Step 4: Simplify right side
121,104,321.60x = 7,326,643,889,575,199 - Step 5: Solve for x
x = 7,326,643,889,575,199/121,104,321.60 - Step 6: Final answer
x = 60,498,616.34
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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.