Finding the Fourth Proportional to 98,585,090.84, 135,335,009.50 and 84,622,205.14
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Solution
The fourth proportional to 98,585,090.84, 135,335,009.50 and 84,622,205.14 is: 116,167,128.70
Step by Step Solution
- Step 1: Write the proportion equation
98,585,090.84 : 135,335,009.50 = 84,622,205.14 : x - Step 2: Convert to fraction form
98,585,090.84/135,335,009.50 = 84,622,205.14/x - Step 3: Cross multiply
98,585,090.84x = 135,335,009.50 × 84,622,205.14 - Step 4: Simplify right side
98,585,090.84x = 11,452,346,935,982,956 - Step 5: Solve for x
x = 11,452,346,935,982,956/98,585,090.84 - Step 6: Final answer
x = 116,167,128.70
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.