Finding the Fourth Proportional to 122,444,622.72, 168,973,751.88 and 66,690,261.36
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Solution
The fourth proportional to 122,444,622.72, 168,973,751.88 and 66,690,261.36 is: 92,032,654.64
Step by Step Solution
- Step 1: Write the proportion equation
122,444,622.72 : 168,973,751.88 = 66,690,261.36 : x - Step 2: Convert to fraction form
122,444,622.72/168,973,751.88 = 66,690,261.36/x - Step 3: Cross multiply
122,444,622.72x = 168,973,751.88 × 66,690,261.36 - Step 4: Simplify right side
122,444,622.72x = 11,268,903,675,856,990 - Step 5: Solve for x
x = 11,268,903,675,856,990/122,444,622.72 - Step 6: Final answer
x = 92,032,654.64
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.