Finding the Fourth Proportional to 135,476,440.56, 202,907,310.72 and 86,292,560.16
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Solution
The fourth proportional to 135,476,440.56, 202,907,310.72 and 86,292,560.16 is: 129,243,071.67
Step by Step Solution
- Step 1: Write the proportion equation
135,476,440.56 : 202,907,310.72 = 86,292,560.16 : x - Step 2: Convert to fraction form
135,476,440.56/202,907,310.72 = 86,292,560.16/x - Step 3: Cross multiply
135,476,440.56x = 202,907,310.72 × 86,292,560.16 - Step 4: Simplify right side
135,476,440.56x = 17,509,391,317,209,412 - Step 5: Solve for x
x = 17,509,391,317,209,412/135,476,440.56 - Step 6: Final answer
x = 129,243,071.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.