Finding the Fourth Proportional to 109,609,509.14, 151,261,070.22 and 65,556,507.08
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Solution
The fourth proportional to 109,609,509.14, 151,261,070.22 and 65,556,507.08 is: 90,467,948.43
Step by Step Solution
- Step 1: Write the proportion equation
109,609,509.14 : 151,261,070.22 = 65,556,507.08 : x - Step 2: Convert to fraction form
109,609,509.14/151,261,070.22 = 65,556,507.08/x - Step 3: Cross multiply
109,609,509.14x = 151,261,070.22 × 65,556,507.08 - Step 4: Simplify right side
109,609,509.14x = 9,916,147,420,805,806 - Step 5: Solve for x
x = 9,916,147,420,805,806/109,609,509.14 - Step 6: Final answer
x = 90,467,948.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.