Finding the Fourth Proportional to 122,686,493.40, 184,407,653.70 and 115,884,048.60
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Solution
The fourth proportional to 122,686,493.40, 184,407,653.70 and 115,884,048.60 is: 174,183,032.80
Step by Step Solution
- Step 1: Write the proportion equation
122,686,493.40 : 184,407,653.70 = 115,884,048.60 : x - Step 2: Convert to fraction form
122,686,493.40/184,407,653.70 = 115,884,048.60/x - Step 3: Cross multiply
122,686,493.40x = 184,407,653.70 × 115,884,048.60 - Step 4: Simplify right side
122,686,493.40x = 21,369,905,503,582,768 - Step 5: Solve for x
x = 21,369,905,503,582,768/122,686,493.40 - Step 6: Final answer
x = 174,183,032.80
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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.