Finding the Fourth Proportional to 136,395,738.62, 204,722,954.70 and 84,423,128.66
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Solution
The fourth proportional to 136,395,738.62, 204,722,954.70 and 84,423,128.66 is: 126,714,753.11
Step by Step Solution
- Step 1: Write the proportion equation
136,395,738.62 : 204,722,954.70 = 84,423,128.66 : x - Step 2: Convert to fraction form
136,395,738.62/204,722,954.70 = 84,423,128.66/x - Step 3: Cross multiply
136,395,738.62x = 204,722,954.70 × 84,423,128.66 - Step 4: Simplify right side
136,395,738.62x = 17,283,352,344,293,450 - Step 5: Solve for x
x = 17,283,352,344,293,450/136,395,738.62 - Step 6: Final answer
x = 126,714,753.11
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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.