Finding the Fourth Proportional to 136,395,720.11, 204,722,926.94 and 84,423,110.15
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Solution
The fourth proportional to 136,395,720.11, 204,722,926.94 and 84,423,110.15 is: 126,714,725.34
Step by Step Solution
- Step 1: Write the proportion equation
136,395,720.11 : 204,722,926.94 = 84,423,110.15 : x - Step 2: Convert to fraction form
136,395,720.11/204,722,926.94 = 84,423,110.15/x - Step 3: Cross multiply
136,395,720.11x = 204,722,926.94 × 84,423,110.15 - Step 4: Simplify right side
136,395,720.11x = 17,283,346,212,008,888 - Step 5: Solve for x
x = 17,283,346,212,008,888/136,395,720.11 - Step 6: Final answer
x = 126,714,725.34
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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.