Finding the Fourth Proportional to 248,406,775.44, 372,132,603.36 and 138,899,814.48
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Solution
The fourth proportional to 248,406,775.44, 372,132,603.36 and 138,899,814.48 is: 208,082,688.07
Step by Step Solution
- Step 1: Write the proportion equation
248,406,775.44 : 372,132,603.36 = 138,899,814.48 : x - Step 2: Convert to fraction form
248,406,775.44/372,132,603.36 = 138,899,814.48/x - Step 3: Cross multiply
248,406,775.44x = 372,132,603.36 × 138,899,814.48 - Step 4: Simplify right side
248,406,775.44x = 51,689,149,568,663,424 - Step 5: Solve for x
x = 51,689,149,568,663,424/248,406,775.44 - Step 6: Final answer
x = 208,082,688.07
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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.