Finding the Fourth Proportional to 162,505,643.40, 243,758,465.10 and 97,776,129.60
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Solution
The fourth proportional to 162,505,643.40, 243,758,465.10 and 97,776,129.60 is: 146,664,194.40
Step by Step Solution
- Step 1: Write the proportion equation
162,505,643.40 : 243,758,465.10 = 97,776,129.60 : x - Step 2: Convert to fraction form
162,505,643.40/243,758,465.10 = 97,776,129.60/x - Step 3: Cross multiply
162,505,643.40x = 243,758,465.10 × 97,776,129.60 - Step 4: Simplify right side
162,505,643.40x = 23,833,759,274,714,676 - Step 5: Solve for x
x = 23,833,759,274,714,676/162,505,643.40 - Step 6: Final answer
x = 146,664,194.40
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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.