Finding the Fourth Proportional to 136,085,385.80, 204,128,078.70 and 97,821,633.80
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Solution
The fourth proportional to 136,085,385.80, 204,128,078.70 and 97,821,633.80 is: 146,732,450.70
Step by Step Solution
- Step 1: Write the proportion equation
136,085,385.80 : 204,128,078.70 = 97,821,633.80 : x - Step 2: Convert to fraction form
136,085,385.80/204,128,078.70 = 97,821,633.80/x - Step 3: Cross multiply
136,085,385.80x = 204,128,078.70 × 97,821,633.80 - Step 4: Simplify right side
136,085,385.80x = 19,968,142,162,888,980 - Step 5: Solve for x
x = 19,968,142,162,888,980/136,085,385.80 - Step 6: Final answer
x = 146,732,450.70
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1.5x scale
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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.